142857585 has 48 divisors (see below), whose sum is σ = 271252800. Its totient is φ = 69121152.

The previous prime is 142857563. The next prime is 142857587. The reversal of 142857585 is 585758241.

142857585 is a `hidden beast` number, since 14 + 2 + 8 + 57 + 585 = 666.

It is not a de Polignac number, because 142857585 - 2⁵ = 142857553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 142857585.

It is not an unprimeable number, because it can be changed into a prime (142857587) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 32446 + ... + 36584.

It is an arithmetic number, because the mean of its divisors is an integer number (5651100).

Almost surely, 2^142857585 is an apocalyptic number.

142857585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142857585 is a deficient number, since it is larger than the sum of its proper divisors (128395215).

142857585 is a wasteful number, since it uses less digits than its factorization.

142857585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222 (or 4219 counting only the distinct ones).

The product of its digits is 448000, while the sum is 45.

The square root of 142857585 is about 11952.3045894924. The cubic root of 142857585 is about 522.7584978861.

The spelling of 142857585 in words is "one hundred forty-two million, eight hundred fifty-seven thousand, five hundred eighty-five".