456439542 has 16 divisors (see below), whose sum is σ = 983100720. Its totient is φ = 140442912.

The previous prime is 456439541. The next prime is 456439547. The reversal of 456439542 is 245934654.

It is a junction number, because it is equal to n+sod(n) for n = 456439494 and 456439503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456439541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2925817 + ... + 2925972.

It is an arithmetic number, because the mean of its divisors is an integer number (61443795).

Almost surely, 2^456439542 is an apocalyptic number.

456439542 is an abundant number, since it is smaller than the sum of its proper divisors (526661178).

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

456439542 is a wasteful number, since it uses less digits than its factorization.

456439542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851807.

The product of its digits is 518400, while the sum is 42.

The square root of 456439542 is about 21364.4457452095. The cubic root of 456439542 is about 769.9474535458.

The spelling of 456439542 in words is "four hundred fifty-six million, four hundred thirty-nine thousand, five hundred forty-two".