115445641 has 4 divisors (see below), whose sum is σ = 115492500. Its totient is φ = 115398784.

The previous prime is 115445639. The next prime is 115445663. The reversal of 115445641 is 146544511.

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 20967241 + 94478400 = 4579^2 + 9720^2 .

It is a cyclic number.

It is not a de Polignac number, because 115445641 - 2¹ = 115445639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115445041) 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, 19516 + ... + 24733.

It is an arithmetic number, because the mean of its divisors is an integer number (28873125).

Almost surely, 2^115445641 is an apocalyptic number.

It is an amenable number.

115445641 is a deficient number, since it is larger than the sum of its proper divisors (46859).

115445641 is an equidigital number, since it uses as much as digits as its factorization.

115445641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46858.

The product of its digits is 9600, while the sum is 31.

The square root of 115445641 is about 10744.5633229089. The cubic root of 115445641 is about 486.9217562949.

The spelling of 115445641 in words is "one hundred fifteen million, four hundred forty-five thousand, six hundred forty-one".