456138858 has 32 divisors (see below), whose sum is σ = 1068036480. Its totient is φ = 127146240.

The previous prime is 456138857. The next prime is 456138877. The reversal of 456138858 is 858831654.

It is a super-3 number, since 3×456138858³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (456138857) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 130723 + ... + 134166.

It is an arithmetic number, because the mean of its divisors is an integer number (33376140).

Almost surely, 2^456138858 is an apocalyptic number.

456138858 is an abundant number, since it is smaller than the sum of its proper divisors (611897622).

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

456138858 is a wasteful number, since it uses less digits than its factorization.

456138858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264942.

The product of its digits is 921600, while the sum is 48.

The square root of 456138858 is about 21357.4075673992. The cubic root of 456138858 is about 769.7783462752.

The spelling of 456138858 in words is "four hundred fifty-six million, one hundred thirty-eight thousand, eight hundred fifty-eight".