142285 has 16 divisors (see below), whose sum is σ = 201600. Its totient is φ = 95040.

The previous prime is 142271. The next prime is 142297. The reversal of 142285 is 582241.

It is not a de Polignac number, because 142285 - 2⁷ = 142157 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616 + ... + 814.

It is an arithmetic number, because the mean of its divisors is an integer number (12600).

2¹⁴²²⁸⁵ is an apocalyptic number.

It is an amenable number.

142285 is a deficient number, since it is larger than the sum of its proper divisors (59315).

142285 is a wasteful number, since it uses less digits than its factorization.

142285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228.

The product of its digits is 640, while the sum is 22.

The square root of 142285 is about 377.2068398107. The cubic root of 142285 is about 52.2059142949.

It can be divided in two parts, 142 and 285, that multiplied together give a triangular number (40470 = T₂₈₄).

The spelling of 142285 in words is "one hundred forty-two thousand, two hundred eighty-five".