164323145 has 16 divisors (see below), whose sum is σ = 225566208. Its totient is φ = 112574400.

The previous prime is 164323129. The next prime is 164323169. The reversal of 164323145 is 541323461.

It is not a de Polignac number, because 164323145 - 2⁴ = 164323129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68720 + ... + 71070.

It is an arithmetic number, because the mean of its divisors is an integer number (14097888).

Almost surely, 2^164323145 is an apocalyptic number.

It is an amenable number.

164323145 is a deficient number, since it is larger than the sum of its proper divisors (61243063).

164323145 is a wasteful number, since it uses less digits than its factorization.

164323145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360.

The product of its digits is 8640, while the sum is 29.

The square root of 164323145 is about 12818.8589585813. The cubic root of 164323145 is about 547.7296438007.

The spelling of 164323145 in words is "one hundred sixty-four million, three hundred twenty-three thousand, one hundred forty-five".