115443247 has 2 divisors, whose sum is σ = 115443248. Its totient is φ = 115443246.

The previous prime is 115443203. The next prime is 115443269. The reversal of 115443247 is 742344511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115443247 - 2¹⁹ = 114918959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115443047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57721623 + 57721624.

It is an arithmetic number, because the mean of its divisors is an integer number (57721624).

Almost surely, 2^115443247 is an apocalyptic number.

115443247 is a deficient number, since it is larger than the sum of its proper divisors (1).

115443247 is an equidigital number, since it uses as much as digits as its factorization.

115443247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 31.

The square root of 115443247 is about 10744.4519171524. The cubic root of 115443247 is about 486.9183905009.

Adding to 115443247 its reverse (742344511), we get a palindrome (857787758).

The spelling of 115443247 in words is "one hundred fifteen million, four hundred forty-three thousand, two hundred forty-seven".