142888886 has 16 divisors (see below), whose sum is σ = 248309664. Its totient is φ = 60398784.

The previous prime is 142888861. The next prime is 142888891. The reversal of 142888886 is 688888241.

It is a Curzon number.

It is a congruent number.

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, 68885 + ... + 70928.

It is an arithmetic number, because the mean of its divisors is an integer number (15519354).

Almost surely, 2^142888886 is an apocalyptic number.

142888886 is a deficient number, since it is larger than the sum of its proper divisors (105420778).

142888886 is a wasteful number, since it uses less digits than its factorization.

142888886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139895.

The product of its digits is 1572864, while the sum is 53.

The square root of 142888886 is about 11953.6139305233. The cubic root of 142888886 is about 522.7966749952.

It can be divided in two parts, 14 and 2888886, that multiplied together give a palindrome (40444404).

The spelling of 142888886 in words is "one hundred forty-two million, eight hundred eighty-eight thousand, eight hundred eighty-six".