142858585 has 8 divisors (see below), whose sum is σ = 174665160. Its totient is φ = 112130304.

The previous prime is 142858577. The next prime is 142858609. The reversal of 142858585 is 585858241.

It can be written as a sum of positive squares in 4 ways, for example, as 1272384 + 141586201 = 1128^2 + 11899^2 .

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 142858585 - 2³ = 142858577 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 269280 + ... + 269809.

It is an arithmetic number, because the mean of its divisors is an integer number (21833145).

Almost surely, 2^142858585 is an apocalyptic number.

It is an amenable number.

142858585 is a deficient number, since it is larger than the sum of its proper divisors (31806575).

142858585 is an equidigital number, since it uses as much as digits as its factorization.

142858585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539147.

The product of its digits is 512000, while the sum is 46.

The square root of 142858585 is about 11952.3464223557. The cubic root of 142858585 is about 522.7597176493.

The spelling of 142858585 in words is "one hundred forty-two million, eight hundred fifty-eight thousand, five hundred eighty-five".