115473242 has 4 divisors (see below), whose sum is σ = 173209866. Its totient is φ = 57736620.

The previous prime is 115473221. The next prime is 115473257. The reversal of 115473242 is 242374511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242374511 = 13399 ⋅18089.

It can be written as a sum of positive squares in only one way, i.e., 64336441 + 51136801 = 8021^2 + 7151^2 .

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, 28868309 + ... + 28868312.

Almost surely, 2^115473242 is an apocalyptic number.

115473242 is a deficient number, since it is larger than the sum of its proper divisors (57736624).

115473242 is an equidigital number, since it uses as much as digits as its factorization.

115473242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57736623.

The product of its digits is 6720, while the sum is 29.

The square root of 115473242 is about 10745.8476631674. The cubic root of 115473242 is about 486.9605579808.

The spelling of 115473242 in words is "one hundred fifteen million, four hundred seventy-three thousand, two hundred forty-two".