456115809 has 4 divisors (see below), whose sum is σ = 608154416. Its totient is φ = 304077204.

The previous prime is 456115769. The next prime is 456115811. The reversal of 456115809 is 908511654.

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 456115809 - 2²¹ = 454018657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (456115819) 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, 76019299 + ... + 76019304.

It is an arithmetic number, because the mean of its divisors is an integer number (152038604).

Almost surely, 2^456115809 is an apocalyptic number.

It is an amenable number.

456115809 is a deficient number, since it is larger than the sum of its proper divisors (152038607).

456115809 is a wasteful number, since it uses less digits than its factorization.

456115809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152038606.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 456115809 is about 21356.8679585748. The cubic root of 456115809 is about 769.7653802528.

The spelling of 456115809 in words is "four hundred fifty-six million, one hundred fifteen thousand, eight hundred nine".