157315889 has 8 divisors (see below), whose sum is σ = 162608640. Its totient is φ = 152110800.

The previous prime is 157315859. The next prime is 157315919. The reversal of 157315889 is 988513751.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (157315859) and next prime (157315919).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157315889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157315849) 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, 18257 + ... + 25454.

It is an arithmetic number, because the mean of its divisors is an integer number (20326080).

Almost surely, 2^157315889 is an apocalyptic number.

It is an amenable number.

157315889 is a deficient number, since it is larger than the sum of its proper divisors (5292751).

157315889 is an equidigital number, since it uses as much as digits as its factorization.

157315889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43831.

The product of its digits is 302400, while the sum is 47.

The square root of 157315889 is about 12542.5630953167. The cubic root of 157315889 is about 539.8306384749.

The spelling of 157315889 in words is "one hundred fifty-seven million, three hundred fifteen thousand, eight hundred eighty-nine".