142985255 has 16 divisors (see below), whose sum is σ = 199796544. Its totient is φ = 96195840.

The previous prime is 142985251. The next prime is 142985329. The reversal of 142985255 is 552589241.

It is not a de Polignac number, because 142985255 - 2² = 142985251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142985251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36686 + ... + 40395.

It is an arithmetic number, because the mean of its divisors is an integer number (12487284).

Almost surely, 2^142985255 is an apocalyptic number.

142985255 is a deficient number, since it is larger than the sum of its proper divisors (56811289).

142985255 is an equidigital number, since it uses as much as digits as its factorization.

142985255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77146.

The product of its digits is 144000, while the sum is 41.

The square root of 142985255 is about 11957.6442077861. The cubic root of 142985255 is about 522.9141790506.

The spelling of 142985255 in words is "one hundred forty-two million, nine hundred eighty-five thousand, two hundred fifty-five".