79149345 has 32 divisors (see below), whose sum is σ = 145428480. Its totient is φ = 36354240.

The previous prime is 79149341. The next prime is 79149347. The reversal of 79149345 is 54394197.

It is not a de Polignac number, because 79149345 - 2² = 79149341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79149297 and 79149306.

It is not an unprimeable number, because it can be changed into a prime (79149341) 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, 9489 + ... + 15758.

It is an arithmetic number, because the mean of its divisors is an integer number (4544640).

Almost surely, 2^79149345 is an apocalyptic number.

It is an amenable number.

79149345 is a deficient number, since it is larger than the sum of its proper divisors (66279135).

79149345 is a wasteful number, since it uses less digits than its factorization.

79149345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25285.

The product of its digits is 136080, while the sum is 42.

The square root of 79149345 is about 8896.5917631417. The cubic root of 79149345 is about 429.3542588118.

The spelling of 79149345 in words is "seventy-nine million, one hundred forty-nine thousand, three hundred forty-five".