115442429 has 4 divisors (see below), whose sum is σ = 118258140. Its totient is φ = 112626720.

The previous prime is 115442377. The next prime is 115442443. The reversal of 115442429 is 924244511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924244511 = 1103 ⋅837937.

It can be written as a sum of positive squares in 2 ways, for example, as 19598329 + 95844100 = 4427^2 + 9790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115442429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115442395 and 115442404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115442489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407794 + ... + 1407875.

It is an arithmetic number, because the mean of its divisors is an integer number (29564535).

Almost surely, 2^115442429 is an apocalyptic number.

It is an amenable number.

115442429 is a deficient number, since it is larger than the sum of its proper divisors (2815711).

115442429 is an equidigital number, since it uses as much as digits as its factorization.

115442429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815710.

The product of its digits is 11520, while the sum is 32.

The square root of 115442429 is about 10744.4138509274. The cubic root of 115442429 is about 486.9172404403.

The spelling of 115442429 in words is "one hundred fifteen million, four hundred forty-two thousand, four hundred twenty-nine".