157252284 has 72 divisors (see below), whose sum is σ = 478208640. Its totient is φ = 42563232.

The previous prime is 157252273. The next prime is 157252301. The reversal of 157252284 is 482252751.

It is a happy number.

157252284 is a `hidden beast` number, since 1 + 57 + 2 + 522 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11634 + ... + 21209.

Almost surely, 2^157252284 is an apocalyptic number.

157252284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

157252284 is an abundant number, since it is smaller than the sum of its proper divisors (320956356).

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

157252284 is a wasteful number, since it uses less digits than its factorization.

157252284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32879 (or 32874 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 157252284 is about 12540.0272726976. The cubic root of 157252284 is about 539.7578749914.

The spelling of 157252284 in words is "one hundred fifty-seven million, two hundred fifty-two thousand, two hundred eighty-four".