45255431 has 16 divisors (see below), whose sum is σ = 50295168. Its totient is φ = 40454400.

The previous prime is 45255409. The next prime is 45255433. The reversal of 45255431 is 13455254.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45255431 is a prime.

It is a super-2 number, since 2×45255431² = 4096108069991522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45255394 and 45255403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45255433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104786 + ... + 105216.

It is an arithmetic number, because the mean of its divisors is an integer number (3143448).

Almost surely, 2^45255431 is an apocalyptic number.

45255431 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

45255431 is a deficient number, since it is larger than the sum of its proper divisors (5039737).

45255431 is a wasteful number, since it uses less digits than its factorization.

45255431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682.

The product of its digits is 12000, while the sum is 29.

The square root of 45255431 is about 6727.2156944757. The cubic root of 45255431 is about 356.3610542867.

The spelling of 45255431 in words is "forty-five million, two hundred fifty-five thousand, four hundred thirty-one".