115544402 has 4 divisors (see below), whose sum is σ = 173316606. Its totient is φ = 57772200.

The previous prime is 115544389. The next prime is 115544411. The reversal of 115544402 is 204445511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204445511 = 137 ⋅1492303.

It can be written as a sum of positive squares in only one way, i.e., 106894921 + 8649481 = 10339^2 + 2941^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28886099 + ... + 28886102.

Almost surely, 2^115544402 is an apocalyptic number.

115544402 is a deficient number, since it is larger than the sum of its proper divisors (57772204).

115544402 is an equidigital number, since it uses as much as digits as its factorization.

115544402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57772203.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 115544402 is about 10749.1581995987. The cubic root of 115544402 is about 487.0605667131.

Adding to 115544402 its reverse (204445511), we get a palindrome (319989913).

The spelling of 115544402 in words is "one hundred fifteen million, five hundred forty-four thousand, four hundred two".