445338564 has 36 divisors (see below), whose sum is σ = 1142180592. Its totient is φ = 134950640.

The previous prime is 445338559. The next prime is 445338577. The reversal of 445338564 is 465833544.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151902 + ... + 154805.

Almost surely, 2^445338564 is an apocalyptic number.

445338564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445338564 is an abundant number, since it is smaller than the sum of its proper divisors (696842028).

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

445338564 is a wasteful number, since it uses less digits than its factorization.

445338564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306736 (or 306723 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The square root of 445338564 is about 21103.0463203775. The cubic root of 445338564 is about 763.6542412687.

The spelling of 445338564 in words is "four hundred forty-five million, three hundred thirty-eight thousand, five hundred sixty-four".