157045 has 12 divisors (see below), whose sum is σ = 219564. Its totient is φ = 107520.

The previous prime is 157037. The next prime is 157049. The reversal of 157045 is 540751.

It can be written as a sum of positive squares in 2 ways, for example, as 103684 + 53361 = 322^2 + 231^2 .

It is not a de Polignac number, because 157045 - 2³ = 157037 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 (157049) 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, 76 + ... + 565.

It is an arithmetic number, because the mean of its divisors is an integer number (18297).

2¹⁵⁷⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

157045 is a deficient number, since it is larger than the sum of its proper divisors (62519).

157045 is an equidigital number, since it uses as much as digits as its factorization.

157045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 653 counting only the distinct ones).

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

The square root of 157045 is about 396.2890359321. The cubic root of 157045 is about 53.9520607918.

Adding to 157045 its reverse (540751), we get a palindrome (697796).

The spelling of 157045 in words is "one hundred fifty-seven thousand, forty-five".