457564 has 12 divisors (see below), whose sum is σ = 812224. Its totient is φ = 225504.

The previous prime is 457559. The next prime is 457571. The reversal of 457564 is 465754.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 492 + ... + 1075.

2⁴⁵⁷⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

457564 is a deficient number, since it is larger than the sum of its proper divisors (354660).

457564 is a wasteful number, since it uses less digits than its factorization.

457564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1642 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 457564 is about 676.4347714303. The cubic root of 457564 is about 77.0579201024.

The spelling of 457564 in words is "four hundred fifty-seven thousand, five hundred sixty-four".