115245133 has 4 divisors (see below), whose sum is σ = 115301788. Its totient is φ = 115188480.

The previous prime is 115245061. The next prime is 115245139. The reversal of 115245133 is 331542511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331542511 = 9041 ⋅36671.

It can be written as a sum of positive squares in 2 ways, for example, as 1225449 + 114019684 = 1107^2 + 10678^2 .

It is a cyclic number.

It is not a de Polignac number, because 115245133 - 2⁹ = 115244621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115245098 and 115245107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115245139) 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 in 3 ways as a sum of consecutive naturals, for example, 25158 + ... + 29383.

It is an arithmetic number, because the mean of its divisors is an integer number (28825447).

Almost surely, 2^115245133 is an apocalyptic number.

It is an amenable number.

115245133 is a deficient number, since it is larger than the sum of its proper divisors (56655).

115245133 is an equidigital number, since it uses as much as digits as its factorization.

115245133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56654.

The product of its digits is 1800, while the sum is 25.

The square root of 115245133 is about 10735.2285956099. The cubic root of 115245133 is about 486.6396948731.

Adding to 115245133 its reverse (331542511), we get a palindrome (446787644).

The spelling of 115245133 in words is "one hundred fifteen million, two hundred forty-five thousand, one hundred thirty-three".