45645512 has 16 divisors (see below), whose sum is σ = 93366000. Its totient is φ = 20747920.

The previous prime is 45645511. The next prime is 45645517. The reversal of 45645512 is 21554654.

It is not an unprimeable number, because it can be changed into a prime (45645511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259262 + ... + 259437.

It is an arithmetic number, because the mean of its divisors is an integer number (5835375).

Almost surely, 2^45645512 is an apocalyptic number.

It is an amenable number.

45645512 is an abundant number, since it is smaller than the sum of its proper divisors (47720488).

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

45645512 is a wasteful number, since it uses less digits than its factorization.

45645512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518716 (or 518712 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 45645512 is about 6756.1462387962. The cubic root of 45645512 is about 357.3820159348.

The spelling of 45645512 in words is "forty-five million, six hundred forty-five thousand, five hundred twelve".