451305164 has 6 divisors (see below), whose sum is σ = 789784044. Its totient is φ = 225652580.

The previous prime is 451305143. The next prime is 451305193. The reversal of 451305164 is 461503154.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56413142 + ... + 56413149.

It is an arithmetic number, because the mean of its divisors is an integer number (131630674).

Almost surely, 2^451305164 is an apocalyptic number.

It is an amenable number.

451305164 is a deficient number, since it is larger than the sum of its proper divisors (338478880).

451305164 is a wasteful number, since it uses less digits than its factorization.

451305164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112826295 (or 112826293 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 451305164 is about 21243.9441723989. The cubic root of 451305164 is about 767.0495761689.

The spelling of 451305164 in words is "four hundred fifty-one million, three hundred five thousand, one hundred sixty-four".