142185 has 8 divisors (see below), whose sum is σ = 227520. Its totient is φ = 75824.

The previous prime is 142183. The next prime is 142189. The reversal of 142185 is 581241.

142185 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 a cyclic number.

It is not a de Polignac number, because 142185 - 2¹ = 142183 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142185.

It is not an unprimeable number, because it can be changed into a prime (142183) 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, 4725 + ... + 4754.

It is an arithmetic number, because the mean of its divisors is an integer number (28440).

2¹⁴²¹⁸⁵ is an apocalyptic number.

142185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142185 is a deficient number, since it is larger than the sum of its proper divisors (85335).

142185 is an equidigital number, since it uses as much as digits as its factorization.

142185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9487.

The product of its digits is 320, while the sum is 21.

The square root of 142185 is about 377.0742632427. The cubic root of 142185 is about 52.1936810660.

The spelling of 142185 in words is "one hundred forty-two thousand, one hundred eighty-five".