157345875 has 64 divisors (see below), whose sum is σ = 303713280. Its totient is φ = 80229600.

The previous prime is 157345873. The next prime is 157345907. The reversal of 157345875 is 578543751.

It is a happy number.

157345875 is a `hidden beast` number, since 1 + 573 + 4 + 5 + 8 + 75 = 666.

It is not a de Polignac number, because 157345875 - 2¹ = 157345873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 157345875.

It is not an unprimeable number, because it can be changed into a prime (157345873) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76612 + ... + 78638.

It is an arithmetic number, because the mean of its divisors is an integer number (4745520).

Almost surely, 2^157345875 is an apocalyptic number.

157345875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157345875 is a deficient number, since it is larger than the sum of its proper divisors (146367405).

157345875 is a wasteful number, since it uses less digits than its factorization.

157345875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074 (or 2058 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 157345875 is about 12543.7584080689. The cubic root of 157345875 is about 539.8649353563.

It can be divided in two parts, 15734 and 5875, that added together give a square (21609 = 147²).

The spelling of 157345875 in words is "one hundred fifty-seven million, three hundred forty-five thousand, eight hundred seventy-five".