115871146 has 4 divisors (see below), whose sum is σ = 173806722. Its totient is φ = 57935572.

The previous prime is 115871143. The next prime is 115871179. The reversal of 115871146 is 641178511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 112126921 + 3744225 = 10589^2 + 1935^2 .

It is a super-2 number, since 2×115871146² = 26852244950706632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115871143) 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 as a sum of consecutive naturals, namely, 28967785 + ... + 28967788.

Almost surely, 2^115871146 is an apocalyptic number.

115871146 is a deficient number, since it is larger than the sum of its proper divisors (57935576).

115871146 is an equidigital number, since it uses as much as digits as its factorization.

115871146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57935575.

The product of its digits is 6720, while the sum is 34.

The square root of 115871146 is about 10764.3460553812. The cubic root of 115871146 is about 487.5192485058.

The spelling of 115871146 in words is "one hundred fifteen million, eight hundred seventy-one thousand, one hundred forty-six".