157219902 has 24 divisors (see below), whose sum is σ = 389306736. Its totient is φ = 44919936.

The previous prime is 157219897. The next prime is 157219913. The reversal of 157219902 is 209912751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 623763 + ... + 624014.

It is an arithmetic number, because the mean of its divisors is an integer number (16221114).

Almost surely, 2^157219902 is an apocalyptic number.

157219902 is an abundant number, since it is smaller than the sum of its proper divisors (232086834).

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

157219902 is a wasteful number, since it uses less digits than its factorization.

157219902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247792 (or 1247789 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 157219902 is about 12538.7360607040. The cubic root of 157219902 is about 539.7208227699.

The spelling of 157219902 in words is "one hundred fifty-seven million, two hundred nineteen thousand, nine hundred two".