142057156 has 12 divisors (see below), whose sum is σ = 251595792. Its totient is φ = 70172648.

The previous prime is 142057147. The next prime is 142057163. The reversal of 142057156 is 651750241.

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, 213610 + ... + 214273.

It is an arithmetic number, because the mean of its divisors is an integer number (20966316).

Almost surely, 2^142057156 is an apocalyptic number.

It is an amenable number.

142057156 is a deficient number, since it is larger than the sum of its proper divisors (109538636).

142057156 is a wasteful number, since it uses less digits than its factorization.

142057156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427970 (or 427968 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 142057156 is about 11918.7732590229. The cubic root of 142057156 is about 521.7803326008.

The spelling of 142057156 in words is "one hundred forty-two million, fifty-seven thousand, one hundred fifty-six".