157381902 has 24 divisors (see below), whose sum is σ = 358941960. Its totient is φ = 49699440.

The previous prime is 157381843. The next prime is 157381907. The reversal of 157381902 is 209183751.

157381902 is a `hidden beast` number, since 1 + 573 + 81 + 9 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157381907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229749 + ... + 230432.

It is an arithmetic number, because the mean of its divisors is an integer number (14955915).

Almost surely, 2^157381902 is an apocalyptic number.

157381902 is an abundant number, since it is smaller than the sum of its proper divisors (201560058).

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

157381902 is a wasteful number, since it uses less digits than its factorization.

157381902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460208 (or 460205 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 157381902 is about 12545.1943787253. The cubic root of 157381902 is about 539.9061359487.

The spelling of 157381902 in words is "one hundred fifty-seven million, three hundred eighty-one thousand, nine hundred two".