157297948 has 12 divisors (see below), whose sum is σ = 278588520. Its totient is φ = 77701232.

The previous prime is 157297901. The next prime is 157297951. The reversal of 157297948 is 849792751.

It is a junction number, because it is equal to n+sod(n) for n = 157297895 and 157297904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236563 + ... + 237226.

It is an arithmetic number, because the mean of its divisors is an integer number (23215710).

Almost surely, 2^157297948 is an apocalyptic number.

It is an amenable number.

157297948 is a deficient number, since it is larger than the sum of its proper divisors (121290572).

157297948 is a wasteful number, since it uses less digits than its factorization.

157297948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473876 (or 473874 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 52.

The square root of 157297948 is about 12541.8478702303. The cubic root of 157297948 is about 539.8101161366.

The spelling of 157297948 in words is "one hundred fifty-seven million, two hundred ninety-seven thousand, nine hundred forty-eight".