142421862822 has 16 divisors (see below), whose sum is σ = 294665923440. Its totient is φ = 45836921312.

The previous prime is 142421862797. The next prime is 142421862833. The reversal of 142421862822 is 228268124241.

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, 409258053 + ... + 409258400.

It is an arithmetic number, because the mean of its divisors is an integer number (18416620215).

Almost surely, 2^142421862822 is an apocalyptic number.

142421862822 is an abundant number, since it is smaller than the sum of its proper divisors (152244060618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142421862822 is a wasteful number, since it uses less digits than its factorization.

142421862822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818516487.

The product of its digits is 196608, while the sum is 42.

The spelling of 142421862822 in words is "one hundred forty-two billion, four hundred twenty-one million, eight hundred sixty-two thousand, eight hundred twenty-two".