115245 has 24 divisors (see below), whose sum is σ = 216216. Its totient is φ = 56448.

The previous prime is 115237. The next prime is 115249. The reversal of 115245 is 542511.

It can be written as a sum of positive squares in 4 ways, for example, as 21609 + 93636 = 147^2 + 306^2 .

It is not a de Polignac number, because 115245 - 2³ = 115237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487 + ... + 683.

It is an arithmetic number, because the mean of its divisors is an integer number (9009).

2¹¹⁵²⁴⁵ is an apocalyptic number.

115245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115245 is a deficient number, since it is larger than the sum of its proper divisors (100971).

115245 is a wasteful number, since it uses less digits than its factorization.

115245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 218 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 115245 is about 339.4775397578. The cubic root of 115245 is about 48.6639507669.

Adding to 115245 its reverse (542511), we get a palindrome (657756).

The spelling of 115245 in words is "one hundred fifteen thousand, two hundred forty-five".