Properties of the Number 45145

Forty-Five Thousand One Hundred Forty-Five

Basics

Value: 45144 → 45145 → 45146

Parity: odd

Prime: No

Previous Prime: 45139

Next Prime: 45161

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 9029

Divisors: 1, 5, 9029, 45145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1011000001011001

Octal: 130131

Duodecimal: 22161

Hexadecimal: b059

Square: 2038071025

Square Root: 212.47352776287215

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers k such that the continued fraction for sqrt(k) has period 91. A20430

Number of (n+3)X10 binary arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock. A188103

Numbers k such that k and number of divisors d(k) are relatively prime. A46642

Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero. A304306

Numbers whose base-4 representation contains exactly two 2's and two 3's. A45145