157225 has 12 divisors (see below), whose sum is σ = 205840. Its totient is φ = 118800.

The previous prime is 157219. The next prime is 157229. The reversal of 157225 is 522751.

It is not a de Polignac number, because 157225 - 2³ = 157217 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 157196 and 157205.

It is not an unprimeable number, because it can be changed into a prime (157229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310 + ... + 640.

2¹⁵⁷²²⁵ is an apocalyptic number.

It is an amenable number.

157225 is a deficient number, since it is larger than the sum of its proper divisors (48615).

157225 is a wasteful number, since it uses less digits than its factorization.

157225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 355 counting only the distinct ones).

The product of its digits is 700, while the sum is 22.

The square root of 157225 is about 396.5160778581. The cubic root of 157225 is about 53.9726656355.

Adding to 157225 its reverse (522751), we get a palindrome (679976).

The spelling of 157225 in words is "one hundred fifty-seven thousand, two hundred twenty-five".