45712656 has 60 divisors (see below), whose sum is σ = 139566960. Its totient is φ = 13851840.

The previous prime is 45712633. The next prime is 45712657. The reversal of 45712656 is 65621754.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 45712656.

It is not an unprimeable number, because it can be changed into a prime (45712657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12846 + ... + 16013.

It is an arithmetic number, because the mean of its divisors is an integer number (2326116).

Almost surely, 2^45712656 is an apocalyptic number.

It is an amenable number.

45712656 is an abundant number, since it is smaller than the sum of its proper divisors (93854304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45712656 is a wasteful number, since it uses less digits than its factorization.

45712656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28884 (or 28875 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 45712656 is about 6761.1135177573. The cubic root of 45712656 is about 357.5571649667.

It can be divided in two parts, 4571 and 2656, that added together give a palindrome (7227).

The spelling of 45712656 in words is "forty-five million, seven hundred twelve thousand, six hundred fifty-six".