115443242 has 8 divisors (see below), whose sum is σ = 173218500. Its totient is φ = 57703744.

The previous prime is 115443203. The next prime is 115443247. The reversal of 115443242 is 242344511.

It can be written as a sum of positive squares in 2 ways, for example, as 113401201 + 2042041 = 10649^2 + 1429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (115443247) 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, 1634 + ... + 15282.

Almost surely, 2^115443242 is an apocalyptic number.

115443242 is a deficient number, since it is larger than the sum of its proper divisors (57775258).

115443242 is a wasteful number, since it uses less digits than its factorization.

115443242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17880.

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

The square root of 115443242 is about 10744.4516844742. The cubic root of 115443242 is about 486.9183834712.

Adding to 115443242 its reverse (242344511), we get a palindrome (357787753).

The spelling of 115443242 in words is "one hundred fifteen million, four hundred forty-three thousand, two hundred forty-two".