108541445489 has 6 divisors (see below), whose sum is σ = 111253369110. Its totient is φ = 105894091520.

The previous prime is 108541445471. The next prime is 108541445491. The reversal of 108541445489 is 984544145801.

It can be written as a sum of positive squares in 3 ways, for example, as 19717776400 + 88823669089 = 140420^2 + 298033^2 .

It is a de Polignac number, because none of the positive numbers 2^k-108541445489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108541445489.

It is not an unprimeable number, because it can be changed into a prime (108541445449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32283104 + ... + 32286465.

It is an arithmetic number, because the mean of its divisors is an integer number (18542228185).

Almost surely, 2^108541445489 is an apocalyptic number.

It is an amenable number.

108541445489 is a deficient number, since it is larger than the sum of its proper divisors (2711923621).

108541445489 is an frugal number, since it uses more digits than its factorization.

108541445489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64569651 (or 64569610 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 108541445489 in words is "one hundred eight billion, five hundred forty-one million, four hundred forty-five thousand, four hundred eighty-nine".