79445142 has 48 divisors (see below), whose sum is σ = 202049952. Its totient is φ = 22083840.

The previous prime is 79445117. The next prime is 79445221. The reversal of 79445142 is 24154497.

It is a happy number.

79445142 is a `hidden beast` number, since 79 + 445 + 142 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 79445097 and 79445106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3859 + ... + 13182.

It is an arithmetic number, because the mean of its divisors is an integer number (4209374).

Almost surely, 2^79445142 is an apocalyptic number.

79445142 is an abundant number, since it is smaller than the sum of its proper divisors (122604810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79445142 is a wasteful number, since it uses less digits than its factorization.

79445142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17093 (or 17090 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 79445142 is about 8913.2004353094. The cubic root of 79445142 is about 429.8884549321. Note that the first 3 decimals are identical.

The spelling of 79445142 in words is "seventy-nine million, four hundred forty-five thousand, one hundred forty-two".