157317315746 has 8 divisors (see below), whose sum is σ = 239498003280. Its totient is φ = 77484647988.

The previous prime is 157317315731. The next prime is 157317315787. The reversal of 157317315746 is 647513713751.

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

It is a junction number, because it is equal to n+sod(n) for n = 157317315694 and 157317315703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587004776 + ... + 587005043.

It is an arithmetic number, because the mean of its divisors is an integer number (29937250410).

Almost surely, 2^157317315746 is an apocalyptic number.

157317315746 is a deficient number, since it is larger than the sum of its proper divisors (82180687534).

157317315746 is a wasteful number, since it uses less digits than its factorization.

157317315746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174009888.

The product of its digits is 1852200, while the sum is 50.

The spelling of 157317315746 in words is "one hundred fifty-seven billion, three hundred seventeen million, three hundred fifteen thousand, seven hundred forty-six".