115886545 has 8 divisors (see below), whose sum is σ = 139582440. Its totient is φ = 92363520.

The previous prime is 115886543. The next prime is 115886597. The reversal of 115886545 is 545688511.

It can be written as a sum of positive squares in 4 ways, for example, as 3017169 + 112869376 = 1737^2 + 10624^2 .

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

It is not a de Polignac number, because 115886545 - 2¹ = 115886543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115886543) 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 7 ways as a sum of consecutive naturals, for example, 41736 + ... + 44425.

It is an arithmetic number, because the mean of its divisors is an integer number (17447805).

Almost surely, 2^115886545 is an apocalyptic number.

It is an amenable number.

115886545 is a deficient number, since it is larger than the sum of its proper divisors (23695895).

115886545 is an equidigital number, since it uses as much as digits as its factorization.

115886545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86435.

The product of its digits is 192000, while the sum is 43.

The square root of 115886545 is about 10765.0613096257. The cubic root of 115886545 is about 487.5408442658.

The spelling of 115886545 in words is "one hundred fifteen million, eight hundred eighty-six thousand, five hundred forty-five".