142881631895 has 16 divisors (see below), whose sum is σ = 178956974592. Its totient is φ = 109308423840.

The previous prime is 142881631889. The next prime is 142881631903. The reversal of 142881631895 is 598136188241.

It is not a de Polignac number, because 142881631895 - 2⁸ = 142881631639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142881631895.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318614 + ... + 622316.

It is an arithmetic number, because the mean of its divisors is an integer number (11184810912).

Almost surely, 2^142881631895 is an apocalyptic number.

142881631895 is a deficient number, since it is larger than the sum of its proper divisors (36075342697).

142881631895 is a wasteful number, since it uses less digits than its factorization.

142881631895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307822.

The product of its digits is 3317760, while the sum is 56.

The spelling of 142881631895 in words is "one hundred forty-two billion, eight hundred eighty-one million, six hundred thirty-one thousand, eight hundred ninety-five".