157943073 has 16 divisors (see below), whose sum is σ = 223563456. Its totient is φ = 98841600.

The previous prime is 157943033. The next prime is 157943087. The reversal of 157943073 is 370349751.

It is a happy number.

It is not a de Polignac number, because 157943073 - 2¹⁰ = 157942049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157943003) 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, 16590 + ... + 24312.

It is an arithmetic number, because the mean of its divisors is an integer number (13972716).

Almost surely, 2^157943073 is an apocalyptic number.

It is an amenable number.

157943073 is a deficient number, since it is larger than the sum of its proper divisors (65620383).

157943073 is a wasteful number, since it uses less digits than its factorization.

157943073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8144.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 157943073 is about 12567.5404514965. The cubic root of 157943073 is about 540.5470827287.

The spelling of 157943073 in words is "one hundred fifty-seven million, nine hundred forty-three thousand, seventy-three".