142235885 has 16 divisors (see below), whose sum is σ = 186684480. Its totient is φ = 103175040.

The previous prime is 142235869. The next prime is 142235911. The reversal of 142235885 is 588532241.

It is not a de Polignac number, because 142235885 - 2⁴ = 142235869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19334 + ... + 25656.

It is an arithmetic number, because the mean of its divisors is an integer number (11667780).

Almost surely, 2^142235885 is an apocalyptic number.

It is an amenable number.

142235885 is a deficient number, since it is larger than the sum of its proper divisors (44448595).

142235885 is a wasteful number, since it uses less digits than its factorization.

142235885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6748.

The product of its digits is 76800, while the sum is 38.

The square root of 142235885 is about 11926.2686956147. The cubic root of 142235885 is about 521.9990666102. Note that the first 3 decimals are identical.

The spelling of 142235885 in words is "one hundred forty-two million, two hundred thirty-five thousand, eight hundred eighty-five".