115445243 has 2 divisors, whose sum is σ = 115445244. Its totient is φ = 115445242.

The previous prime is 115445237. The next prime is 115445261. The reversal of 115445243 is 342544511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115445243 - 2⁶ = 115445179 is a prime.

It is a super-4 number, since 4×115445243⁴ (a number of 33 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (115445203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57722621 + 57722622.

It is an arithmetic number, because the mean of its divisors is an integer number (57722622).

Almost surely, 2^115445243 is an apocalyptic number.

115445243 is a deficient number, since it is larger than the sum of its proper divisors (1).

115445243 is an equidigital number, since it uses as much as digits as its factorization.

115445243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 29.

The square root of 115445243 is about 10744.5448018983. The cubic root of 115445243 is about 486.9211967384.

Adding to 115445243 its reverse (342544511), we get a palindrome (457989754).

The spelling of 115445243 in words is "one hundred fifteen million, four hundred forty-five thousand, two hundred forty-three".