156457142 has 16 divisors (see below), whose sum is σ = 237219840. Its totient is φ = 77387688.

The previous prime is 156457141. The next prime is 156457159. The reversal of 156457142 is 241754651.

156457142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156457141) 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, 117959 + ... + 119277.

It is an arithmetic number, because the mean of its divisors is an integer number (14826240).

Almost surely, 2^156457142 is an apocalyptic number.

156457142 is a deficient number, since it is larger than the sum of its proper divisors (80762698).

156457142 is a wasteful number, since it uses less digits than its factorization.

156457142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915.

The product of its digits is 33600, while the sum is 35.

The square root of 156457142 is about 12508.2829357190. The cubic root of 156457142 is about 538.8465801591.

The spelling of 156457142 in words is "one hundred fifty-six million, four hundred fifty-seven thousand, one hundred forty-two".