115298845 has 32 divisors (see below), whose sum is σ = 153177696. Its totient is φ = 82944000.

The previous prime is 115298837. The next prime is 115298851. The reversal of 115298845 is 548892511.

115298845 = 93² + 94² + ... + 702².

It can be written as a sum of positive squares in 16 ways, for example, as 4691556 + 110607289 = 2166^2 + 10517^2 .

It is not a de Polignac number, because 115298845 - 2³ = 115298837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191545 + ... + 192145.

It is an arithmetic number, because the mean of its divisors is an integer number (4786803).

Almost surely, 2^115298845 is an apocalyptic number.

It is an amenable number.

115298845 is a deficient number, since it is larger than the sum of its proper divisors (37878851).

115298845 is a wasteful number, since it uses less digits than its factorization.

115298845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its digits is 115200, while the sum is 43.

The square root of 115298845 is about 10737.7299742543. The cubic root of 115298845 is about 486.7152854307.

The spelling of 115298845 in words is "one hundred fifteen million, two hundred ninety-eight thousand, eight hundred forty-five".