79145 has 8 divisors (see below), whose sum is σ = 103680. Its totient is φ = 57520.

The previous prime is 79139. The next prime is 79147. The reversal of 79145 is 54197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79145 - 2⁸ = 78889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665 + ... + 774.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

2⁷⁹¹⁴⁵ is an apocalyptic number.

It is an amenable number.

79145 is a deficient number, since it is larger than the sum of its proper divisors (24535).

79145 is a wasteful number, since it uses less digits than its factorization.

79145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455.

The product of its digits is 1260, while the sum is 26.

The square root of 79145 is about 281.3272116238. The cubic root of 79145 is about 42.9346402026.

The spelling of 79145 in words is "seventy-nine thousand, one hundred forty-five".