142286085 has 16 divisors (see below), whose sum is σ = 252953280. Its totient is φ = 75885840.

The previous prime is 142286077. The next prime is 142286129. The reversal of 142286085 is 580682241.

142286085 is a `hidden beast` number, since 1 + 42 + 2 + 8 + 608 + 5 = 666.

It is not a de Polignac number, because 142286085 - 2³ = 142286077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526851 + ... + 527120.

It is an arithmetic number, because the mean of its divisors is an integer number (15809580).

Almost surely, 2^142286085 is an apocalyptic number.

142286085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142286085 is a deficient number, since it is larger than the sum of its proper divisors (110667195).

142286085 is a wasteful number, since it uses less digits than its factorization.

142286085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053985 (or 1053979 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 142286085 is about 11928.3731078467. The cubic root of 142286085 is about 522.0604699402.

The spelling of 142286085 in words is "one hundred forty-two million, two hundred eighty-six thousand, eighty-five".