45240864 has 24 divisors (see below), whose sum is σ = 118757520. Its totient is φ = 15080256.

The previous prime is 45240847. The next prime is 45240887. The reversal of 45240864 is 46804254.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235534 + ... + 235725.

It is an arithmetic number, because the mean of its divisors is an integer number (4948230).

Almost surely, 2^45240864 is an apocalyptic number.

It is an amenable number.

45240864 is an abundant number, since it is smaller than the sum of its proper divisors (73516656).

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

45240864 is a wasteful number, since it uses less digits than its factorization.

45240864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471272 (or 471264 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 45240864 is about 6726.1329157251. The cubic root of 45240864 is about 356.3228145407.

The spelling of 45240864 in words is "forty-five million, two hundred forty thousand, eight hundred sixty-four".