115245447 has 4 divisors (see below), whose sum is σ = 153660600. Its totient is φ = 76830296.

The previous prime is 115245421. The next prime is 115245451. The reversal of 115245447 is 744542511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744542511 = 3 ⋅248180837.

It is a cyclic number.

It is not a de Polignac number, because 115245447 - 2⁸ = 115245191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115245407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19207572 + ... + 19207577.

It is an arithmetic number, because the mean of its divisors is an integer number (38415150).

Almost surely, 2^115245447 is an apocalyptic number.

115245447 is a deficient number, since it is larger than the sum of its proper divisors (38415153).

115245447 is an equidigital number, since it uses as much as digits as its factorization.

115245447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38415152.

The product of its digits is 22400, while the sum is 33.

The square root of 115245447 is about 10735.2432203467. The cubic root of 115245447 is about 486.6401368432.

Adding to 115245447 its reverse (744542511), we get a palindrome (859787958).

The spelling of 115245447 in words is "one hundred fifteen million, two hundred forty-five thousand, four hundred forty-seven".