108158085 has 80 divisors (see below), whose sum is σ = 223910016. Its totient is φ = 49128768.

The previous prime is 108158059. The next prime is 108158087. The reversal of 108158085 is 580851801.

It is not a de Polignac number, because 108158085 - 2⁶ = 108158021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108158087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 688827 + ... + 688983.

Almost surely, 2^108158085 is an apocalyptic number.

108158085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108158085 is an abundant number, since it is smaller than the sum of its proper divisors (115751931).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108158085 is an frugal number, since it uses more digits than its factorization.

108158085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 36.

The square root of 108158085 is about 10399.9079322848. The cubic root of 108158085 is about 476.4525581413.

The spelling of 108158085 in words is "one hundred eight million, one hundred fifty-eight thousand, eighty-five".