115402250 has 16 divisors (see below), whose sum is σ = 216033480. Its totient is φ = 46160800.

The previous prime is 115402241. The next prime is 115402271. The reversal of 115402250 is 52204511.

It can be written as a sum of positive squares in 4 ways, for example, as 22877089 + 92525161 = 4783^2 + 9619^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230555 + ... + 231054.

Almost surely, 2^115402250 is an apocalyptic number.

115402250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115402250 is a deficient number, since it is larger than the sum of its proper divisors (100631230).

115402250 is an equidigital number, since it uses as much as digits as its factorization.

115402250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461626 (or 461616 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 115402250 is about 10742.5439259051. The cubic root of 115402250 is about 486.8607444070.

Adding to 115402250 its reverse (52204511), we get a palindrome (167606761).

The spelling of 115402250 in words is "one hundred fifteen million, four hundred two thousand, two hundred fifty".