164745315 has 48 divisors (see below), whose sum is σ = 336900096. Its totient is φ = 72878400.

The previous prime is 164745311. The next prime is 164745437. The reversal of 164745315 is 513547461.

164745315 is a `hidden beast` number, since 1 + 647 + 4 + 5 + 3 + 1 + 5 = 666.

It is not a de Polignac number, because 164745315 - 2² = 164745311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164745315.

It is not an unprimeable number, because it can be changed into a prime (164745311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1330 + ... + 18200.

It is an arithmetic number, because the mean of its divisors is an integer number (7018752).

Almost surely, 2^164745315 is an apocalyptic number.

164745315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164745315 is an abundant number, since it is smaller than the sum of its proper divisors (172154781).

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

164745315 is a wasteful number, since it uses less digits than its factorization.

164745315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16920 (or 16917 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 164745315 is about 12835.3151500070. The cubic root of 164745315 is about 548.1983083142.

The spelling of 164745315 in words is "one hundred sixty-four million, seven hundred forty-five thousand, three hundred fifteen".