45643624 has 32 divisors (see below), whose sum is σ = 97020000. Its totient is φ = 19956672.

The previous prime is 45643573. The next prime is 45643649. The reversal of 45643624 is 42634654.

It is a self number, because there is not a number n which added to its sum of digits gives 45643624.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9574 + ... + 13525.

It is an arithmetic number, because the mean of its divisors is an integer number (3031875).

Almost surely, 2^45643624 is an apocalyptic number.

It is an amenable number.

45643624 is an abundant number, since it is smaller than the sum of its proper divisors (51376376).

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

45643624 is a wasteful number, since it uses less digits than its factorization.

45643624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23137 (or 23133 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

The square root of 45643624 is about 6756.0065127263. The cubic root of 45643624 is about 357.3770884949.

The spelling of 45643624 in words is "forty-five million, six hundred forty-three thousand, six hundred twenty-four".