164038145 has 16 divisors (see below), whose sum is σ = 199618560. Its totient is φ = 129394944.

The previous prime is 164038111. The next prime is 164038201. The reversal of 164038145 is 541830461.

It is a de Polignac number, because none of the positive numbers 2^k-164038145 is a prime.

It is a Curzon number.

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, 127616 + ... + 128894.

It is an arithmetic number, because the mean of its divisors is an integer number (12476160).

Almost surely, 2^164038145 is an apocalyptic number.

It is an amenable number.

164038145 is a deficient number, since it is larger than the sum of its proper divisors (35580415).

164038145 is a wasteful number, since it uses less digits than its factorization.

164038145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 164038145 is about 12807.7377003123. The cubic root of 164038145 is about 547.4128020816.

The spelling of 164038145 in words is "one hundred sixty-four million, thirty-eight thousand, one hundred forty-five".