108645851 has 2 divisors, whose sum is σ = 108645852. Its totient is φ = 108645850.

The previous prime is 108645847. The next prime is 108645853. The reversal of 108645851 is 158546801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108645851 - 2² = 108645847 is a prime.

Together with 108645853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108645853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54322925 + 54322926.

It is an arithmetic number, because the mean of its divisors is an integer number (54322926).

Almost surely, 2^108645851 is an apocalyptic number.

108645851 is a deficient number, since it is larger than the sum of its proper divisors (1).

108645851 is an equidigital number, since it uses as much as digits as its factorization.

108645851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 108645851 is about 10423.3320488220. The cubic root of 108645851 is about 477.1677115815.

The spelling of 108645851 in words is "one hundred eight million, six hundred forty-five thousand, eight hundred fifty-one".