45217564 has 12 divisors (see below), whose sum is σ = 90435184. Its totient is φ = 19378944.

The previous prime is 45217559. The next prime is 45217567. The reversal of 45217564 is 46571254.

45217564 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45217567) 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, 807429 + ... + 807484.

Almost surely, 2^45217564 is an apocalyptic number.

It is an amenable number.

45217564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45217564 is a wasteful number, since it uses less digits than its factorization.

45217564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614924 (or 1614922 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 45217564 is about 6724.4006424365. The cubic root of 45217564 is about 356.2616327791.

The spelling of 45217564 in words is "forty-five million, two hundred seventeen thousand, five hundred sixty-four".