157368947 has 8 divisors (see below), whose sum is σ = 163418640. Its totient is φ = 151424640.

The previous prime is 157368941. The next prime is 157368961. The reversal of 157368947 is 749863751.

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 157368947 - 2²⁰ = 156320371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157368895 and 157368904.

It is not an unprimeable number, because it can be changed into a prime (157368941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23297 + ... + 29282.

It is an arithmetic number, because the mean of its divisors is an integer number (20427330).

Almost surely, 2^157368947 is an apocalyptic number.

157368947 is a deficient number, since it is larger than the sum of its proper divisors (6049693).

157368947 is an equidigital number, since it uses as much as digits as its factorization.

157368947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52693.

The product of its digits is 1270080, while the sum is 50.

The square root of 157368947 is about 12544.6780349278. The cubic root of 157368947 is about 539.8913212933.

The spelling of 157368947 in words is "one hundred fifty-seven million, three hundred sixty-eight thousand, nine hundred forty-seven".