157500949 has 4 divisors (see below), whose sum is σ = 157617036. Its totient is φ = 157384864.

The previous prime is 157500877. The next prime is 157500961. The reversal of 157500949 is 949005751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 949005751 = 1013 ⋅936827.

It can be written as a sum of positive squares in 2 ways, for example, as 147622500 + 9878449 = 12150^2 + 3143^2 .

It is a cyclic number.

It is not a de Polignac number, because 157500949 - 2⁷ = 157500821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157500989) 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, 55984 + ... + 58729.

It is an arithmetic number, because the mean of its divisors is an integer number (39404259).

Almost surely, 2^157500949 is an apocalyptic number.

It is an amenable number.

157500949 is a deficient number, since it is larger than the sum of its proper divisors (116087).

157500949 is a wasteful number, since it uses less digits than its factorization.

157500949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116086.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 157500949 is about 12549.9382070192. The cubic root of 157500949 is about 540.0422337795.

The spelling of 157500949 in words is "one hundred fifty-seven million, five hundred thousand, nine hundred forty-nine".