108170143 has 4 divisors (see below), whose sum is σ = 108476928. Its totient is φ = 107863360.

The previous prime is 108170137. The next prime is 108170147. The reversal of 108170143 is 341071801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108170143 - 2²⁵ = 74615711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108170147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152863 + ... + 153568.

It is an arithmetic number, because the mean of its divisors is an integer number (27119232).

Almost surely, 2^108170143 is an apocalyptic number.

108170143 is a deficient number, since it is larger than the sum of its proper divisors (306785).

108170143 is an equidigital number, since it uses as much as digits as its factorization.

108170143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306784.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 108170143 is about 10400.4876327988. The cubic root of 108170143 is about 476.4702632484.

The spelling of 108170143 in words is "one hundred eight million, one hundred seventy thousand, one hundred forty-three".