157323402 has 48 divisors (see below), whose sum is σ = 346686912. Its totient is φ = 51554880.

The previous prime is 157323373. The next prime is 157323403. The reversal of 157323402 is 204323751.

It is not an unprimeable number, because it can be changed into a prime (157323403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322803 + ... + 323289.

It is an arithmetic number, because the mean of its divisors is an integer number (7222644).

Almost surely, 2^157323402 is an apocalyptic number.

157323402 is an abundant number, since it is smaller than the sum of its proper divisors (189363510).

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

157323402 is a wasteful number, since it uses less digits than its factorization.

157323402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 157323402 is about 12542.8625919285. The cubic root of 157323402 is about 539.8392319765.

The spelling of 157323402 in words is "one hundred fifty-seven million, three hundred twenty-three thousand, four hundred two".