450505164 has 12 divisors (see below), whose sum is σ = 1051178744. Its totient is φ = 150168384.

The previous prime is 450505129. The next prime is 450505177. The reversal of 450505164 is 461505054.

It is a tau number, because it is divible by the number of its divisors (12).

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, 18771037 + ... + 18771060.

Almost surely, 2^450505164 is an apocalyptic number.

It is an amenable number.

450505164 is an abundant number, since it is smaller than the sum of its proper divisors (600673580).

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

450505164 is a wasteful number, since it uses less digits than its factorization.

450505164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37542104 (or 37542102 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 450505164 is about 21225.1069255257. The cubic root of 450505164 is about 766.5960747438.

The spelling of 450505164 in words is "four hundred fifty million, five hundred five thousand, one hundred sixty-four".