115402402 has 4 divisors (see below), whose sum is σ = 173103606. Its totient is φ = 57701200.

The previous prime is 115402393. The next prime is 115402421. The reversal of 115402402 is 204204511.

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., 87216921 + 28185481 = 9339^2 + 5309^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115402402.

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, 28850599 + ... + 28850602.

Almost surely, 2^115402402 is an apocalyptic number.

115402402 is a deficient number, since it is larger than the sum of its proper divisors (57701204).

115402402 is an equidigital number, since it uses as much as digits as its factorization.

115402402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57701203.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 115402402 is about 10742.5510005771. The cubic root of 115402402 is about 486.8609581602.

Adding to 115402402 its reverse (204204511), we get a palindrome (319606913).

The spelling of 115402402 in words is "one hundred fifteen million, four hundred two thousand, four hundred two".