115889742 has 24 divisors (see below), whose sum is σ = 259754040. Its totient is φ = 37297680.

The previous prime is 115889693. The next prime is 115889743. The reversal of 115889742 is 247988511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115889743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110484 + ... + 111527.

It is an arithmetic number, because the mean of its divisors is an integer number (10823085).

Almost surely, 2^115889742 is an apocalyptic number.

115889742 is an abundant number, since it is smaller than the sum of its proper divisors (143864298).

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

115889742 is a wasteful number, since it uses less digits than its factorization.

115889742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222048 (or 222045 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 115889742 is about 10765.2097982343. The cubic root of 115889742 is about 487.5453275408.

The spelling of 115889742 in words is "one hundred fifteen million, eight hundred eighty-nine thousand, seven hundred forty-two".