157428612 has 36 divisors (see below), whose sum is σ = 434122416. Its totient is φ = 47705520.

The previous prime is 157428611. The next prime is 157428613. The reversal of 157428612 is 216824751.

157428612 is a `hidden beast` number, since 1 + 574 + 2 + 86 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (157428611) and next prime (157428613).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (157428611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198378 + ... + 199169.

It is an arithmetic number, because the mean of its divisors is an integer number (12058956).

Almost surely, 2^157428612 is an apocalyptic number.

157428612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157428612 is an abundant number, since it is smaller than the sum of its proper divisors (276693804).

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

157428612 is a wasteful number, since it uses less digits than its factorization.

157428612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397568 (or 397563 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 157428612 is about 12547.0559096547. The cubic root of 157428612 is about 539.9595442943.

The spelling of 157428612 in words is "one hundred fifty-seven million, four hundred twenty-eight thousand, six hundred twelve".