157401612 has 18 divisors (see below), whose sum is σ = 397876388. Its totient is φ = 52467192.

The previous prime is 157401593. The next prime is 157401619. The reversal of 157401612 is 216104751.

It is a happy number.

157401612 is a `hidden beast` number, since 1 + 5 + 7 + 40 + 1 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (157401619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2186098 + ... + 2186169.

Almost surely, 2^157401612 is an apocalyptic number.

157401612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157401612 is an abundant number, since it is smaller than the sum of its proper divisors (240474776).

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

157401612 is a wasteful number, since it uses less digits than its factorization.

157401612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372277 (or 4372272 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 157401612 is about 12545.9799139007. The cubic root of 157401612 is about 539.9286737068.

The spelling of 157401612 in words is "one hundred fifty-seven million, four hundred one thousand, six hundred twelve".