45318564 has 36 divisors (see below), whose sum is σ = 115272976. Its totient is φ = 15011568.

The previous prime is 45318541. The next prime is 45318569. The reversal of 45318564 is 46581354.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (45318569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2007 + ... + 9729.

Almost surely, 2^45318564 is an apocalyptic number.

It is an amenable number.

45318564 is an abundant number, since it is smaller than the sum of its proper divisors (69954412).

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

45318564 is a wasteful number, since it uses less digits than its factorization.

45318564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7896 (or 7891 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 45318564 is about 6731.9064164618. The cubic root of 45318564 is about 356.5266895717.

The spelling of 45318564 in words is "forty-five million, three hundred eighteen thousand, five hundred sixty-four".