450032164 has 12 divisors (see below), whose sum is σ = 795354588. Its totient is φ = 222788000.

The previous prime is 450032153. The next prime is 450032171. The reversal of 450032164 is 461230054.

It can be written as a sum of positive squares in 2 ways, for example, as 439740900 + 10291264 = 20970^2 + 3208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556567 + ... + 557374.

It is an arithmetic number, because the mean of its divisors is an integer number (66279549).

Almost surely, 2^450032164 is an apocalyptic number.

It is an amenable number.

450032164 is a deficient number, since it is larger than the sum of its proper divisors (345322424).

450032164 is a wasteful number, since it uses less digits than its factorization.

450032164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114046 (or 1114044 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 450032164 is about 21213.9615348006. The cubic root of 450032164 is about 766.3276894227.

The spelling of 450032164 in words is "four hundred fifty million, thirty-two thousand, one hundred sixty-four".