157115112 has 192 divisors, whose sum is σ = 505612800. Its totient is φ = 39811200.

The previous prime is 157115111. The next prime is 157115117. The reversal of 157115112 is 211511751.

157115112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (157115111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1199287 + ... + 1199417.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 2^157115112 is an apocalyptic number.

157115112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157115112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252806400).

157115112 is an abundant number, since it is smaller than the sum of its proper divisors (348497688).

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

157115112 is a wasteful number, since it uses less digits than its factorization.

157115112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 213 counting only the distinct ones).

The product of its digits is 350, while the sum is 24.

The square root of 157115112 is about 12534.5567133425. The cubic root of 157115112 is about 539.6008847839.

Adding to 157115112 its reverse (211511751), we get a palindrome (368626863).

The spelling of 157115112 in words is "one hundred fifty-seven million, one hundred fifteen thousand, one hundred twelve".