115340242 has 4 divisors (see below), whose sum is σ = 173010366. Its totient is φ = 57670120.

The previous prime is 115340231. The next prime is 115340263. The reversal of 115340242 is 242043511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242043511 = 103 ⋅2349937.

It can be written as a sum of positive squares in only one way, i.e., 67716441 + 47623801 = 8229^2 + 6901^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28835059 + ... + 28835062.

Almost surely, 2^115340242 is an apocalyptic number.

115340242 is a deficient number, since it is larger than the sum of its proper divisors (57670124).

115340242 is an equidigital number, since it uses as much as digits as its factorization.

115340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57670123.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 115340242 is about 10739.6574433266. The cubic root of 115340242 is about 486.7735286905.

Adding to 115340242 its reverse (242043511), we get a palindrome (357383753).

The spelling of 115340242 in words is "one hundred fifteen million, three hundred forty thousand, two hundred forty-two".