115330290 has 16 divisors (see below), whose sum is σ = 276792768. Its totient is φ = 30754736.

The previous prime is 115330273. The next prime is 115330297. The reversal of 115330290 is 92033511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 115330290.

It is not an unprimeable number, because it can be changed into a prime (115330297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922142 + ... + 1922201.

It is an arithmetic number, because the mean of its divisors is an integer number (17299548).

Almost surely, 2^115330290 is an apocalyptic number.

115330290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115330290 is an abundant number, since it is smaller than the sum of its proper divisors (161462478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115330290 is a wasteful number, since it uses less digits than its factorization.

115330290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844353.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 115330290 is about 10739.1941038422. The cubic root of 115330290 is about 486.7595280567.

The spelling of 115330290 in words is "one hundred fifteen million, three hundred thirty thousand, two hundred ninety".