115439442 has 8 divisors (see below), whose sum is σ = 230878896. Its totient is φ = 38479812.

The previous prime is 115439419. The next prime is 115439449. The reversal of 115439442 is 244934511.

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

115439442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (115439449) 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, 9619948 + ... + 9619959.

It is an arithmetic number, because the mean of its divisors is an integer number (28859862).

Almost surely, 2^115439442 is an apocalyptic number.

115439442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115439442 is a wasteful number, since it uses less digits than its factorization.

115439442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19239912.

The product of its digits is 17280, while the sum is 33.

The square root of 115439442 is about 10744.2748475642. The cubic root of 115439442 is about 486.9130408453.

The spelling of 115439442 in words is "one hundred fifteen million, four hundred thirty-nine thousand, four hundred forty-two".