108645785 has 8 divisors (see below), whose sum is σ = 130770816. Its totient is φ = 86652720.

The previous prime is 108645769. The next prime is 108645787. The reversal of 108645785 is 587546801.

It is a happy number.

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

It is not a de Polignac number, because 108645785 - 2⁴ = 108645769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108645787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31169 + ... + 34478.

It is an arithmetic number, because the mean of its divisors is an integer number (16346352).

Almost surely, 2^108645785 is an apocalyptic number.

It is an amenable number.

108645785 is a deficient number, since it is larger than the sum of its proper divisors (22125031).

108645785 is an equidigital number, since it uses as much as digits as its factorization.

108645785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65983.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 108645785 is about 10423.3288828474. The cubic root of 108645785 is about 477.1676149585.

The spelling of 108645785 in words is "one hundred eight million, six hundred forty-five thousand, seven hundred eighty-five".