115445245 has 8 divisors (see below), whose sum is σ = 140805720. Its totient is φ = 90841920.

The previous prime is 115445243. The next prime is 115445261. The reversal of 115445245 is 542544511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9375844 + 106069401 = 3062^2 + 10299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115445245 - 2¹ = 115445243 is a prime.

It is a super-2 number, since 2×115445245² = 26655209186220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115445243) 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 in 7 ways as a sum of consecutive naturals, for example, 188950 + ... + 189559.

It is an arithmetic number, because the mean of its divisors is an integer number (17600715).

Almost surely, 2^115445245 is an apocalyptic number.

It is an amenable number.

115445245 is a deficient number, since it is larger than the sum of its proper divisors (25360475).

115445245 is an equidigital number, since it uses as much as digits as its factorization.

115445245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378575.

The product of its digits is 16000, while the sum is 31.

The square root of 115445245 is about 10744.5448949688. The cubic root of 115445245 is about 486.9211995502.

Adding to 115445245 its reverse (542544511), we get a palindrome (657989756).

The spelling of 115445245 in words is "one hundred fifteen million, four hundred forty-five thousand, two hundred forty-five".