115440434 has 4 divisors (see below), whose sum is σ = 173160654. Its totient is φ = 57720216.

The previous prime is 115440433. The next prime is 115440439. The reversal of 115440434 is 434044511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434044511 = 251 ⋅1729261.

It can be written as a sum of positive squares in only one way, i.e., 109265209 + 6175225 = 10453^2 + 2485^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115440433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28860107 + ... + 28860110.

Almost surely, 2^115440434 is an apocalyptic number.

115440434 is a deficient number, since it is larger than the sum of its proper divisors (57720220).

115440434 is an equidigital number, since it uses as much as digits as its factorization.

115440434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57720219.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 115440434 is about 10744.3210115856. The cubic root of 115440434 is about 486.9144355632.

Adding to 115440434 its reverse (434044511), we get a palindrome (549484945).

It can be divided in two parts, 11 and 5440434, that added together give a palindrome (5440445).

The spelling of 115440434 in words is "one hundred fifteen million, four hundred forty thousand, four hundred thirty-four".