115444213 has 2 divisors, whose sum is σ = 115444214. Its totient is φ = 115444212.

The previous prime is 115444193. The next prime is 115444223. The reversal of 115444213 is 312444511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81595089 + 33849124 = 9033^2 + 5818^2 .

It is a cyclic number.

It is not a de Polignac number, because 115444213 - 2²⁵ = 81889781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115444223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57722106 + 57722107.

It is an arithmetic number, because the mean of its divisors is an integer number (57722107).

Almost surely, 2^115444213 is an apocalyptic number.

It is an amenable number.

115444213 is a deficient number, since it is larger than the sum of its proper divisors (1).

115444213 is an equidigital number, since it uses as much as digits as its factorization.

115444213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 25.

The square root of 115444213 is about 10744.4968704914. The cubic root of 115444213 is about 486.9197486339.

Adding to 115444213 its reverse (312444511), we get a palindrome (427888724).

The spelling of 115444213 in words is "one hundred fifteen million, four hundred forty-four thousand, two hundred thirteen".