157238694 has 24 divisors (see below), whose sum is σ = 341281512. Its totient is φ = 52320960.

The previous prime is 157238693. The next prime is 157238701. The reversal of 157238694 is 496832751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157238693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3309 + ... + 18039.

It is an arithmetic number, because the mean of its divisors is an integer number (14220063).

Almost surely, 2^157238694 is an apocalyptic number.

157238694 is an abundant number, since it is smaller than the sum of its proper divisors (184042818).

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

157238694 is a wasteful number, since it uses less digits than its factorization.

157238694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15332 (or 15329 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 157238694 is about 12539.4853961397. The cubic root of 157238694 is about 539.7423256235.

The spelling of 157238694 in words is "one hundred fifty-seven million, two hundred thirty-eight thousand, six hundred ninety-four".