157145742873 has 48 divisors (see below), whose sum is σ = 270869472000. Its totient is φ = 89780521824.

The previous prime is 157145742797. The next prime is 157145742881. The reversal of 157145742873 is 378247541751.

157145742873 is a `hidden beast` number, since 1 + 5 + 7 + 145 + 7 + 428 + 73 = 666.

It is not a de Polignac number, because 157145742873 - 2⁹ = 157145742361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157145742973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11091568 + ... + 11105726.

It is an arithmetic number, because the mean of its divisors is an integer number (5643114000).

Almost surely, 2^157145742873 is an apocalyptic number.

It is an amenable number.

157145742873 is a deficient number, since it is larger than the sum of its proper divisors (113723729127).

157145742873 is a wasteful number, since it uses less digits than its factorization.

157145742873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22571 (or 22558 counting only the distinct ones).

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

The spelling of 157145742873 in words is "one hundred fifty-seven billion, one hundred forty-five million, seven hundred forty-two thousand, eight hundred seventy-three".