45618564 has 24 divisors (see below), whose sum is σ = 108249120. Its totient is φ = 14948224.

The previous prime is 45618557. The next prime is 45618581. The reversal of 45618564 is 46581654.

It is a happy number.

It is a hoax number, since the sum of its digits (39) 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 7 ways as a sum of consecutive naturals, for example, 31509 + ... + 32924.

It is an arithmetic number, because the mean of its divisors is an integer number (4510380).

Almost surely, 2^45618564 is an apocalyptic number.

It is an amenable number.

45618564 is an abundant number, since it is smaller than the sum of its proper divisors (62630556).

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

45618564 is a wasteful number, since it uses less digits than its factorization.

45618564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64499 (or 64497 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 45618564 is about 6754.1516121568. The cubic root of 45618564 is about 357.3116722068.

The spelling of 45618564 in words is "forty-five million, six hundred eighteen thousand, five hundred sixty-four".