115520645 has 8 divisors (see below), whose sum is σ = 140295456. Its totient is φ = 91302736.

The previous prime is 115520633. The next prime is 115520677. The reversal of 115520645 is 546025511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 115520645 - 2¹² = 115516549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 138767 + ... + 139596.

It is an arithmetic number, because the mean of its divisors is an integer number (17536932).

Almost surely, 2^115520645 is an apocalyptic number.

It is an amenable number.

115520645 is a deficient number, since it is larger than the sum of its proper divisors (24774811).

115520645 is an equidigital number, since it uses as much as digits as its factorization.

115520645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278451.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 115520645 is about 10748.0530795117. The cubic root of 115520645 is about 487.0271830360.

The spelling of 115520645 in words is "one hundred fifteen million, five hundred twenty thousand, six hundred forty-five".