157445875 has 16 divisors (see below), whose sum is σ = 206837280. Its totient is φ = 119325600.

The previous prime is 157445831. The next prime is 157445909. The reversal of 157445875 is 578544751.

It is not a de Polignac number, because 157445875 - 2¹⁵ = 157413107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30772 + ... + 35521.

It is an arithmetic number, because the mean of its divisors is an integer number (12927330).

Almost surely, 2^157445875 is an apocalyptic number.

157445875 is a deficient number, since it is larger than the sum of its proper divisors (49391405).

157445875 is an equidigital number, since it uses as much as digits as its factorization.

157445875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66327 (or 66317 counting only the distinct ones).

The product of its digits is 784000, while the sum is 46.

The square root of 157445875 is about 12547.7438211019. The cubic root of 157445875 is about 539.9792801835.

The spelling of 157445875 in words is "one hundred fifty-seven million, four hundred forty-five thousand, eight hundred seventy-five".