157497796 has 6 divisors (see below), whose sum is σ = 275621150. Its totient is φ = 78748896.

The previous prime is 157497787. The next prime is 157497841. The reversal of 157497796 is 697794751.

It can be written as a sum of positive squares in only one way, i.e., 81180100 + 76317696 = 9010^2 + 8736^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19687221 + ... + 19687228.

Almost surely, 2^157497796 is an apocalyptic number.

It is an amenable number.

157497796 is a deficient number, since it is larger than the sum of its proper divisors (118123354).

157497796 is a wasteful number, since it uses less digits than its factorization.

157497796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39374453 (or 39374451 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 55.

The square root of 157497796 is about 12549.8125882421. The cubic root of 157497796 is about 540.0386300668.

The spelling of 157497796 in words is "one hundred fifty-seven million, four hundred ninety-seven thousand, seven hundred ninety-six".