451512164 has 12 divisors (see below), whose sum is σ = 791074284. Its totient is φ = 225490944.

The previous prime is 451512151. The next prime is 451512199. The reversal of 451512164 is 461215154.

It can be written as a sum of positive squares in 2 ways, for example, as 374809600 + 76702564 = 19360^2 + 8758^2 .

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, 62429 + ... + 69284.

It is an arithmetic number, because the mean of its divisors is an integer number (65922857).

Almost surely, 2^451512164 is an apocalyptic number.

It is an amenable number.

451512164 is a deficient number, since it is larger than the sum of its proper divisors (339562120).

451512164 is a wasteful number, since it uses less digits than its factorization.

451512164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132574 (or 132572 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 451512164 is about 21248.8155905217. The cubic root of 451512164 is about 767.1668323741.

The spelling of 451512164 in words is "four hundred fifty-one million, five hundred twelve thousand, one hundred sixty-four".