142186 has 16 divisors (see below), whose sum is σ = 243648. Its totient is φ = 61600.

The previous prime is 142183. The next prime is 142189. The reversal of 142186 is 681241.

142186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142183) and next prime (142189).

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 366 + ... + 646.

It is an arithmetic number, because the mean of its divisors is an integer number (15228).

2¹⁴²¹⁸⁶ is an apocalyptic number.

142186 is a deficient number, since it is larger than the sum of its proper divisors (101462).

142186 is a wasteful number, since it uses less digits than its factorization.

142186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317.

The product of its digits is 384, while the sum is 22.

The square root of 142186 is about 377.0755892391. The cubic root of 142186 is about 52.1938034266.

The spelling of 142186 in words is "one hundred forty-two thousand, one hundred eighty-six".