115159738 has 4 divisors (see below), whose sum is σ = 172739610. Its totient is φ = 57579868.

The previous prime is 115159727. The next prime is 115159753. The reversal of 115159738 is 837951511.

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

It can be written as a sum of positive squares in only one way, i.e., 112211649 + 2948089 = 10593^2 + 1717^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115159738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28789933 + ... + 28789936.

Almost surely, 2^115159738 is an apocalyptic number.

115159738 is a deficient number, since it is larger than the sum of its proper divisors (57579872).

115159738 is an equidigital number, since it uses as much as digits as its factorization.

115159738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57579871.

The product of its digits is 37800, while the sum is 40.

The square root of 115159738 is about 10731.2505329062. The cubic root of 115159738 is about 486.5194674814.

The spelling of 115159738 in words is "one hundred fifteen million, one hundred fifty-nine thousand, seven hundred thirty-eight".