157146316319 has 4 divisors (see below), whose sum is σ = 157222863096. Its totient is φ = 157069769544.

The previous prime is 157146316309. The next prime is 157146316357. The reversal of 157146316319 is 913613641751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157146316319 is a prime.

It is a super-2 number, since 2×157146316319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157146316309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38270309 + ... + 38274414.

It is an arithmetic number, because the mean of its divisors is an integer number (39305715774).

Almost surely, 2^157146316319 is an apocalyptic number.

157146316319 is a deficient number, since it is larger than the sum of its proper divisors (76546777).

157146316319 is an equidigital number, since it uses as much as digits as its factorization.

157146316319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76546776.

The product of its digits is 408240, while the sum is 47.

The spelling of 157146316319 in words is "one hundred fifty-seven billion, one hundred forty-six million, three hundred sixteen thousand, three hundred nineteen".