115454239 has 2 divisors, whose sum is σ = 115454240. Its totient is φ = 115454238.

The previous prime is 115454233. The next prime is 115454257. The reversal of 115454239 is 932454511.

It is a weak prime.

It is an emirp because it is prime and its reverse (932454511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115454239 - 2¹³ = 115446047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115454233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57727119 + 57727120.

It is an arithmetic number, because the mean of its divisors is an integer number (57727120).

Almost surely, 2^115454239 is an apocalyptic number.

115454239 is a deficient number, since it is larger than the sum of its proper divisors (1).

115454239 is an equidigital number, since it uses as much as digits as its factorization.

115454239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 115454239 is about 10744.9634247865. The cubic root of 115454239 is about 486.9338440888.

The spelling of 115454239 in words is "one hundred fifteen million, four hundred fifty-four thousand, two hundred thirty-nine".