445256564 has 12 divisors (see below), whose sum is σ = 820209600. Its totient is φ = 210910968.

The previous prime is 445256543. The next prime is 445256653. The reversal of 445256564 is 465652544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2929244 + ... + 2929395.

It is an arithmetic number, because the mean of its divisors is an integer number (68350800).

Almost surely, 2^445256564 is an apocalyptic number.

It is an amenable number.

445256564 is a deficient number, since it is larger than the sum of its proper divisors (374953036).

445256564 is a wasteful number, since it uses less digits than its factorization.

445256564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858662 (or 5858660 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

The square root of 445256564 is about 21101.1033834726. The cubic root of 445256564 is about 763.6073679484.

It can be divided in two parts, 4452 and 56564, that added together give a palindrome (61016).

The spelling of 445256564 in words is "four hundred forty-five million, two hundred fifty-six thousand, five hundred sixty-four".