157614978 has 16 divisors (see below), whose sum is σ = 315919296. Its totient is φ = 52423440.

The previous prime is 157614917. The next prime is 157614979. The reversal of 157614978 is 879416751.

It is not an unprimeable number, because it can be changed into a prime (157614979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25726 + ... + 31257.

It is an arithmetic number, because the mean of its divisors is an integer number (19744956).

Almost surely, 2^157614978 is an apocalyptic number.

157614978 is an abundant number, since it is smaller than the sum of its proper divisors (158304318).

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

157614978 is a wasteful number, since it uses less digits than its factorization.

157614978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57449.

The product of its digits is 423360, while the sum is 48.

The square root of 157614978 is about 12554.4803954604. The cubic root of 157614978 is about 540.1725306043.

The spelling of 157614978 in words is "one hundred fifty-seven million, six hundred fourteen thousand, nine hundred seventy-eight".