115542373 has 2 divisors, whose sum is σ = 115542374. Its totient is φ = 115542372.

The previous prime is 115542313. The next prime is 115542377. The reversal of 115542373 is 373245511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96471684 + 19070689 = 9822^2 + 4367^2 .

It is an emirp because it is prime and its reverse (373245511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115542373 - 2²¹ = 113445221 is a prime.

It is a super-2 number, since 2×115542373² = 26700079916942258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115542377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57771186 + 57771187.

It is an arithmetic number, because the mean of its divisors is an integer number (57771187).

Almost surely, 2^115542373 is an apocalyptic number.

It is an amenable number.

115542373 is a deficient number, since it is larger than the sum of its proper divisors (1).

115542373 is an equidigital number, since it uses as much as digits as its factorization.

115542373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 31.

The square root of 115542373 is about 10749.0638197008. The cubic root of 115542373 is about 487.0577157120.

Adding to 115542373 its reverse (373245511), we get a palindrome (488787884).

The spelling of 115542373 in words is "one hundred fifteen million, five hundred forty-two thousand, three hundred seventy-three".