115440003 has 12 divisors (see below), whose sum is σ = 190567728. Its totient is φ = 65965680.

The previous prime is 115439971. The next prime is 115440113. The reversal of 115440003 is 300044511.

It is a happy number.

It is not a de Polignac number, because 115440003 - 2⁵ = 115439971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115440803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 916128 + ... + 916253.

It is an arithmetic number, because the mean of its divisors is an integer number (15880644).

Almost surely, 2^115440003 is an apocalyptic number.

115440003 is a deficient number, since it is larger than the sum of its proper divisors (75127725).

115440003 is a wasteful number, since it uses less digits than its factorization.

115440003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832394 (or 1832391 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 115440003 is about 10744.3009544595. The cubic root of 115440003 is about 486.9138295930.

Adding to 115440003 its reverse (300044511), we get a palindrome (415484514).

The spelling of 115440003 in words is "one hundred fifteen million, four hundred forty thousand, three".