456543057 has 4 divisors (see below), whose sum is σ = 608724080. Its totient is φ = 304362036.

The previous prime is 456543049. The next prime is 456543067. The reversal of 456543057 is 750345654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 456543057 - 2³ = 456543049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (456543067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76090507 + ... + 76090512.

It is an arithmetic number, because the mean of its divisors is an integer number (152181020).

Almost surely, 2^456543057 is an apocalyptic number.

It is an amenable number.

456543057 is a deficient number, since it is larger than the sum of its proper divisors (152181023).

456543057 is a wasteful number, since it uses less digits than its factorization.

456543057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152181022.

The product of its (nonzero) digits is 252000, while the sum is 39.

The square root of 456543057 is about 21366.8682075778. The cubic root of 456543057 is about 770.0056540879.

The spelling of 456543057 in words is "four hundred fifty-six million, five hundred forty-three thousand, fifty-seven".