157144728573 has 36 divisors (see below), whose sum is σ = 264293700060. Its totient is φ = 89712717696.

The previous prime is 157144728563. The next prime is 157144728593. The reversal of 157144728573 is 375827441751.

157144728573 is a `hidden beast` number, since 1 + 5 + 7 + 1 + 4 + 47 + 28 + 573 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 64705623129 + 92439105444 = 254373^2 + 304038^2 .

It is not a de Polignac number, because 157144728573 - 2⁴ = 157144728557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157144728563) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 304761 + ... + 638097.

Almost surely, 2^157144728573 is an apocalyptic number.

It is an amenable number.

157144728573 is a deficient number, since it is larger than the sum of its proper divisors (107148971487).

157144728573 is a wasteful number, since it uses less digits than its factorization.

157144728573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334426 (or 334416 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The spelling of 157144728573 in words is "one hundred fifty-seven billion, one hundred forty-four million, seven hundred twenty-eight thousand, five hundred seventy-three".