115312442545 has 8 divisors (see below), whose sum is σ = 138543480360. Its totient is φ = 92137587840.

The previous prime is 115312442473. The next prime is 115312442587. The reversal of 115312442545 is 545244213511.

It can be written as a sum of positive squares in 4 ways, for example, as 35860618161 + 79451824384 = 189369^2 + 281872^2 .

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

It is not a de Polignac number, because 115312442545 - 2²³ = 115304053937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14041260 + ... + 14049469.

It is an arithmetic number, because the mean of its divisors is an integer number (17317935045).

Almost surely, 2^115312442545 is an apocalyptic number.

It is an amenable number.

115312442545 is a deficient number, since it is larger than the sum of its proper divisors (23231037815).

115312442545 is an equidigital number, since it uses as much as digits as its factorization.

115312442545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28091555.

The product of its digits is 96000, while the sum is 37.

The spelling of 115312442545 in words is "one hundred fifteen billion, three hundred twelve million, four hundred forty-two thousand, five hundred forty-five".