157447157319 has 16 divisors (see below), whose sum is σ = 234820524000. Its totient is φ = 104260307328.

The previous prime is 157447157303. The next prime is 157447157321. The reversal of 157447157319 is 913751744751.

157447157319 is a `hidden beast` number, since 1 + 57 + 4 + 4 + 7 + 1 + 573 + 19 = 666.

It is not a de Polignac number, because 157447157319 - 2⁴ = 157447157303 is a prime.

It is a super-2 number, since 2×157447157319² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157447157369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19564354 + ... + 19572399.

It is an arithmetic number, because the mean of its divisors is an integer number (14676282750).

Almost surely, 2^157447157319 is an apocalyptic number.

157447157319 is a deficient number, since it is larger than the sum of its proper divisors (77373366681).

157447157319 is a wasteful number, since it uses less digits than its factorization.

157447157319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39136911 (or 39136905 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 54.

The spelling of 157447157319 in words is "one hundred fifty-seven billion, four hundred forty-seven million, one hundred fifty-seven thousand, three hundred nineteen".