79935145 has 4 divisors (see below), whose sum is σ = 95922180. Its totient is φ = 63948112.

The previous prime is 79935131. The next prime is 79935161. The reversal of 79935145 is 54153997.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63059481 + 16875664 = 7941^2 + 4108^2 .

It is a cyclic number.

It is not a de Polignac number, because 79935145 - 2⁵ = 79935113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7993510 + ... + 7993519.

It is an arithmetic number, because the mean of its divisors is an integer number (23980545).

Almost surely, 2^79935145 is an apocalyptic number.

It is an amenable number.

79935145 is a deficient number, since it is larger than the sum of its proper divisors (15987035).

79935145 is a wasteful number, since it uses less digits than its factorization.

79935145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15987034.

The product of its digits is 170100, while the sum is 43.

The square root of 79935145 is about 8940.6456701963. The cubic root of 79935145 is about 430.7704683090.

The spelling of 79935145 in words is "seventy-nine million, nine hundred thirty-five thousand, one hundred forty-five".