142855235 has 12 divisors (see below), whose sum is σ = 173422128. Its totient is φ = 112968768.

The previous prime is 142855171. The next prime is 142855241. The reversal of 142855235 is 532558241.

It is not a de Polignac number, because 142855235 - 2⁶ = 142855171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142855195 and 142855204.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 37802 + ... + 41408.

It is an arithmetic number, because the mean of its divisors is an integer number (14451844).

Almost surely, 2^142855235 is an apocalyptic number.

142855235 is a deficient number, since it is larger than the sum of its proper divisors (30566893).

142855235 is an frugal number, since it uses more digits than its factorization.

142855235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790 (or 3701 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 142855235 is about 11952.2062816871. The cubic root of 142855235 is about 522.7556314202.

The spelling of 142855235 in words is "one hundred forty-two million, eight hundred fifty-five thousand, two hundred thirty-five".