168715142 has 16 divisors (see below), whose sum is σ = 259098000. Its totient is φ = 82369440.

The previous prime is 168715111. The next prime is 168715159. The reversal of 168715142 is 241517861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11984 + ... + 21932.

It is an arithmetic number, because the mean of its divisors is an integer number (16193625).

Almost surely, 2^168715142 is an apocalyptic number.

168715142 is a deficient number, since it is larger than the sum of its proper divisors (90382858).

168715142 is a wasteful number, since it uses less digits than its factorization.

168715142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151.

The product of its digits is 13440, while the sum is 35.

The square root of 168715142 is about 12989.0393024273. The cubic root of 168715142 is about 552.5666724069.

The spelling of 168715142 in words is "one hundred sixty-eight million, seven hundred fifteen thousand, one hundred forty-two".