115323290 has 16 divisors (see below), whose sum is σ = 208660968. Its totient is φ = 45889536.

The previous prime is 115323277. The next prime is 115323337. The reversal of 115323290 is 92323511.

It can be written as a sum of positive squares in 4 ways, for example, as 86174089 + 29149201 = 9283^2 + 5399^2 .

It is a super-2 number, since 2×115323290² = 26598922432848200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27947 + ... + 31806.

Almost surely, 2^115323290 is an apocalyptic number.

115323290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115323290 is a deficient number, since it is larger than the sum of its proper divisors (93337678).

115323290 is a wasteful number, since it uses less digits than its factorization.

115323290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59953.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 115323290 is about 10738.8681898979. The cubic root of 115323290 is about 486.7496798614.

The spelling of 115323290 in words is "one hundred fifteen million, three hundred twenty-three thousand, two hundred ninety".