115132646 has 4 divisors (see below), whose sum is σ = 172698972. Its totient is φ = 57566322.

The previous prime is 115132643. The next prime is 115132663. The reversal of 115132646 is 646231511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646231511 = 197 ⋅3280363.

It is a super-2 number, since 2×115132646² = 26511052349922632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115132643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28783160 + ... + 28783163.

It is an arithmetic number, because the mean of its divisors is an integer number (43174743).

Almost surely, 2^115132646 is an apocalyptic number.

115132646 is a deficient number, since it is larger than the sum of its proper divisors (57566326).

115132646 is an equidigital number, since it uses as much as digits as its factorization.

115132646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57566325.

The product of its digits is 4320, while the sum is 29.

The square root of 115132646 is about 10729.9881640196. The cubic root of 115132646 is about 486.4813123084.

The spelling of 115132646 in words is "one hundred fifteen million, one hundred thirty-two thousand, six hundred forty-six".