115304645 has 4 divisors (see below), whose sum is σ = 138365580. Its totient is φ = 92243712.

The previous prime is 115304621. The next prime is 115304647. The reversal of 115304645 is 546403511.

It is a happy number.

It is a Cunningham number, because it is equal to 10738²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41499364 + 73805281 = 6442^2 + 8591^2 .

It is a cyclic number.

It is not a de Polignac number, because 115304645 - 2²⁶ = 48195781 is a prime.

It is a super-2 number, since 2×115304645² = 26590322317152050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115304647) 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, 11530460 + ... + 11530469.

It is an arithmetic number, because the mean of its divisors is an integer number (34591395).

Almost surely, 2^115304645 is an apocalyptic number.

It is an amenable number.

115304645 is a deficient number, since it is larger than the sum of its proper divisors (23060935).

115304645 is an equidigital number, since it uses as much as digits as its factorization.

115304645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23060934.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 115304645 is about 10738.0000465636. Note that the first 4 decimals coincide. The cubic root of 115304645 is about 486.7234465455.

The spelling of 115304645 in words is "one hundred fifteen million, three hundred four thousand, six hundred forty-five".