115542506 has 8 divisors (see below), whose sum is σ = 183508740. Its totient is φ = 54372928.

The previous prime is 115542481. The next prime is 115542509. The reversal of 115542506 is 605245511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109014481 + 6528025 = 10441^2 + 2555^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115542509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1699121 + ... + 1699188.

Almost surely, 2^115542506 is an apocalyptic number.

115542506 is a deficient number, since it is larger than the sum of its proper divisors (67966234).

115542506 is a wasteful number, since it uses less digits than its factorization.

115542506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398328.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 115542506 is about 10749.0700062843. The cubic root of 115542506 is about 487.0579025948.

The spelling of 115542506 in words is "one hundred fifteen million, five hundred forty-two thousand, five hundred six".