157052142 has 128 divisors (see below), whose sum is σ = 400619520. Its totient is φ = 45239040.

The previous prime is 157052141. The next prime is 157052149. The reversal of 157052142 is 241250751.

157052142 is a `hidden beast` number, since 1 + 570 + 52 + 1 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157052141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1146298 + ... + 1146434.

It is an arithmetic number, because the mean of its divisors is an integer number (3129840).

Almost surely, 2^157052142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157052142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200309760).

157052142 is an abundant number, since it is smaller than the sum of its proper divisors (243567378).

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

157052142 is a wasteful number, since it uses less digits than its factorization.

157052142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 157052142 is about 12532.0446057297. The cubic root of 157052142 is about 539.5287864612.

The spelling of 157052142 in words is "one hundred fifty-seven million, fifty-two thousand, one hundred forty-two".