143185 has 8 divisors (see below), whose sum is σ = 196416. Its totient is φ = 98160.

The previous prime is 143177. The next prime is 143197. The reversal of 143185 is 581341.

143185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 143185 - 2³ = 143177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2011 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (24552).

2¹⁴³¹⁸⁵ is an apocalyptic number.

It is an amenable number.

143185 is a deficient number, since it is larger than the sum of its proper divisors (53231).

143185 is an equidigital number, since it uses as much as digits as its factorization.

143185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103.

The product of its digits is 480, while the sum is 22.

The square root of 143185 is about 378.3979386836. The cubic root of 143185 is about 52.3157562871.

The spelling of 143185 in words is "one hundred forty-three thousand, one hundred eighty-five".