79145165 has 32 divisors (see below), whose sum is σ = 111196800. Its totient is φ = 53464320.

The previous prime is 79145159. The next prime is 79145167. The reversal of 79145165 is 56154197.

It is not a de Polignac number, because 79145165 - 2¹⁰ = 79144141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79145167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54671 + ... + 56099.

It is an arithmetic number, because the mean of its divisors is an integer number (3474900).

Almost surely, 2^79145165 is an apocalyptic number.

It is an amenable number.

79145165 is a deficient number, since it is larger than the sum of its proper divisors (32051635).

79145165 is a wasteful number, since it uses less digits than its factorization.

79145165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517.

The product of its digits is 37800, while the sum is 38.

The square root of 79145165 is about 8896.3568386166. The cubic root of 79145165 is about 429.3467003900.

The spelling of 79145165 in words is "seventy-nine million, one hundred forty-five thousand, one hundred sixty-five".