115290292 has 18 divisors (see below), whose sum is σ = 217423878. Its totient is φ = 53175168.

The previous prime is 115290257. The next prime is 115290293. The reversal of 115290292 is 292092511.

It can be written as a sum of positive squares in 3 ways, for example, as 1313316 + 113976976 = 1146^2 + 10676^2 .

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115290293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76684 + ... + 78172.

Almost surely, 2^115290292 is an apocalyptic number.

It is an amenable number.

115290292 is a deficient number, since it is larger than the sum of its proper divisors (102133586).

115290292 is an equidigital number, since it uses as much as digits as its factorization.

115290292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 115290292 is about 10737.3316983318. The cubic root of 115290292 is about 486.7032501012.

The spelling of 115290292 in words is "one hundred fifteen million, two hundred ninety thousand, two hundred ninety-two".