115382181 has 8 divisors (see below), whose sum is σ = 155571840. Its totient is φ = 76056992.

The previous prime is 115382149. The next prime is 115382203. The reversal of 115382181 is 181283511.

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

It is a cyclic number.

It is not a de Polignac number, because 115382181 - 2⁵ = 115382149 is a prime.

It is a super-2 number, since 2×115382181² = 26626095384633522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115382101) 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, 215805 + ... + 216338.

It is an arithmetic number, because the mean of its divisors is an integer number (19446480).

Almost surely, 2^115382181 is an apocalyptic number.

It is an amenable number.

115382181 is a deficient number, since it is larger than the sum of its proper divisors (40189659).

115382181 is an equidigital number, since it uses as much as digits as its factorization.

115382181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432235.

The product of its digits is 1920, while the sum is 30.

The square root of 115382181 is about 10741.6097955567. The cubic root of 115382181 is about 486.8325203047.

The spelling of 115382181 in words is "one hundred fifteen million, three hundred eighty-two thousand, one hundred eighty-one".