42545564 has 12 divisors (see below), whose sum is σ = 74527488. Its totient is φ = 21252000.

The previous prime is 42545557. The next prime is 42545593. The reversal of 42545564 is 46554524.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17 + ... + 9224.

It is an arithmetic number, because the mean of its divisors is an integer number (6210624).

Almost surely, 2^42545564 is an apocalyptic number.

It is an amenable number.

42545564 is a deficient number, since it is larger than the sum of its proper divisors (31981924).

42545564 is a wasteful number, since it uses less digits than its factorization.

42545564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10396 (or 10394 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The square root of 42545564 is about 6522.6960683447. The cubic root of 42545564 is about 349.1012697252.

The spelling of 42545564 in words is "forty-two million, five hundred forty-five thousand, five hundred sixty-four".