115038290 has 16 divisors (see below), whose sum is σ = 207538200. Its totient is φ = 45911040.

The previous prime is 115038283. The next prime is 115038317. The reversal of 115038290 is 92830511.

It can be written as a sum of positive squares in 4 ways, for example, as 80263681 + 34774609 = 8959^2 + 5897^2 .

It is a super-2 number, since 2×115038290² = 26467616332248200, which contains 22 as substring.

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, 8321 + ... + 17300.

Almost surely, 2^115038290 is an apocalyptic number.

115038290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115038290 is a deficient number, since it is larger than the sum of its proper divisors (92499910).

115038290 is a wasteful number, since it uses less digits than its factorization.

115038290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26077.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 115038290 is about 10725.5904266385. The cubic root of 115038290 is about 486.3483787526.

The spelling of 115038290 in words is "one hundred fifteen million, thirty-eight thousand, two hundred ninety".