157047402 has 8 divisors (see below), whose sum is σ = 314094816. Its totient is φ = 52349132.

The previous prime is 157047391. The next prime is 157047413. The reversal of 157047402 is 204740751.

157047402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157047391) and next prime (157047413).

It is a sphenic number, since it is the product of 3 distinct primes.

157047402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 157047402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13087278 + ... + 13087289.

It is an arithmetic number, because the mean of its divisors is an integer number (39261852).

Almost surely, 2^157047402 is an apocalyptic number.

157047402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157047402 is a wasteful number, since it uses less digits than its factorization.

157047402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26174572.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 157047402 is about 12531.8554891125. The cubic root of 157047402 is about 539.5233585565.

The spelling of 157047402 in words is "one hundred fifty-seven million, forty-seven thousand, four hundred two".