157017112 has 16 divisors (see below), whose sum is σ = 336465360. Its totient is φ = 67293024.

The previous prime is 157017109. The next prime is 157017143. The reversal of 157017112 is 211710751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401883 + ... + 1401994.

It is an arithmetic number, because the mean of its divisors is an integer number (21029085).

Almost surely, 2^157017112 is an apocalyptic number.

It is an amenable number.

157017112 is an abundant number, since it is smaller than the sum of its proper divisors (179448248).

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

157017112 is a wasteful number, since it uses less digits than its factorization.

157017112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803890 (or 2803886 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 25.

The square root of 157017112 is about 12530.6469106746. The cubic root of 157017112 is about 539.4886700631.

Adding to 157017112 its reverse (211710751), we get a palindrome (368727863).

The spelling of 157017112 in words is "one hundred fifty-seven million, seventeen thousand, one hundred twelve".