108116845 has 4 divisors (see below), whose sum is σ = 129740220. Its totient is φ = 86493472.

The previous prime is 108116839. The next prime is 108116857. The reversal of 108116845 is 548611801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548611801 = 23 ⋅23852687.

It can be written as a sum of positive squares in 2 ways, for example, as 27008809 + 81108036 = 5197^2 + 9006^2 .

It is a cyclic number.

It is not a de Polignac number, because 108116845 - 2³ = 108116837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108116845.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10811680 + ... + 10811689.

It is an arithmetic number, because the mean of its divisors is an integer number (32435055).

Almost surely, 2^108116845 is an apocalyptic number.

It is an amenable number.

108116845 is a deficient number, since it is larger than the sum of its proper divisors (21623375).

108116845 is an equidigital number, since it uses as much as digits as its factorization.

108116845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21623374.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 108116845 is about 10397.9250333901. The cubic root of 108116845 is about 476.3919943182.

The spelling of 108116845 in words is "one hundred eight million, one hundred sixteen thousand, eight hundred forty-five".