115440002 has 4 divisors (see below), whose sum is σ = 173160006. Its totient is φ = 57720000.

The previous prime is 115439971. The next prime is 115440113. The reversal of 115440002 is 200044511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200044511 = 79 ⋅2532209.

It can be written as a sum of positive squares in only one way, i.e., 93528241 + 21911761 = 9671^2 + 4681^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28859999 + ... + 28860002.

Almost surely, 2^115440002 is an apocalyptic number.

115440002 is a deficient number, since it is larger than the sum of its proper divisors (57720004).

115440002 is an equidigital number, since it uses as much as digits as its factorization.

115440002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57720003.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 115440002 is about 10744.3009079232. The cubic root of 115440002 is about 486.9138281870.

Adding to 115440002 its reverse (200044511), we get a palindrome (315484513).

The spelling of 115440002 in words is "one hundred fifteen million, four hundred forty thousand, two".