115181830 has 8 divisors (see below), whose sum is σ = 207327312. Its totient is φ = 46072728.

The previous prime is 115181827. The next prime is 115181837. The reversal of 115181830 is 38181511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115181837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5759082 + ... + 5759101.

It is an arithmetic number, because the mean of its divisors is an integer number (25915914).

Almost surely, 2^115181830 is an apocalyptic number.

115181830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115181830 is a deficient number, since it is larger than the sum of its proper divisors (92145482).

115181830 is a wasteful number, since it uses less digits than its factorization.

115181830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11518190.

The product of its (nonzero) digits is 960, while the sum is 28.

The square root of 115181830 is about 10732.2798137208. The cubic root of 115181830 is about 486.5505764466.

The spelling of 115181830 in words is "one hundred fifteen million, one hundred eighty-one thousand, eight hundred thirty".