157497655 has 8 divisors (see below), whose sum is σ = 215996832. Its totient is φ = 107998368.

The previous prime is 157497647. The next prime is 157497661. The reversal of 157497655 is 556794751.

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

It is a cyclic number.

It is not a de Polignac number, because 157497655 - 2³ = 157497647 is a prime.

It is a super-2 number, since 2×157497655² = 49611022660998050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157497599 and 157497608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2249932 + ... + 2250001.

It is an arithmetic number, because the mean of its divisors is an integer number (26999604).

Almost surely, 2^157497655 is an apocalyptic number.

157497655 is a deficient number, since it is larger than the sum of its proper divisors (58499177).

157497655 is an equidigital number, since it uses as much as digits as its factorization.

157497655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499945.

The product of its digits is 1323000, while the sum is 49.

The square root of 157497655 is about 12549.8069706271. The cubic root of 157497655 is about 540.0384689101.

The spelling of 157497655 in words is "one hundred fifty-seven million, four hundred ninety-seven thousand, six hundred fifty-five".