157072142 has 16 divisors (see below), whose sum is σ = 237945600. Its totient is φ = 77761080.

The previous prime is 157072127. The next prime is 157072151. The reversal of 157072142 is 241270751.

157072142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 96209 + ... + 97827.

It is an arithmetic number, because the mean of its divisors is an integer number (14871600).

Almost surely, 2^157072142 is an apocalyptic number.

157072142 is a deficient number, since it is larger than the sum of its proper divisors (80873458).

157072142 is a wasteful number, since it uses less digits than its factorization.

157072142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 157072142 is about 12532.8425347165. The cubic root of 157072142 is about 539.5516878101.

The spelling of 157072142 in words is "one hundred fifty-seven million, seventy-two thousand, one hundred forty-two".