115564142 has 4 divisors (see below), whose sum is σ = 173346216. Its totient is φ = 57782070.

The previous prime is 115564133. The next prime is 115564157. The reversal of 115564142 is 241465511.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28891034 + ... + 28891037.

It is an arithmetic number, because the mean of its divisors is an integer number (43336554).

Almost surely, 2^115564142 is an apocalyptic number.

115564142 is a deficient number, since it is larger than the sum of its proper divisors (57782074).

115564142 is an equidigital number, since it uses as much as digits as its factorization.

115564142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57782073.

The product of its digits is 4800, while the sum is 29.

The square root of 115564142 is about 10750.0763718217. The cubic root of 115564142 is about 487.0883021636.

The spelling of 115564142 in words is "one hundred fifteen million, five hundred sixty-four thousand, one hundred forty-two".