142211838442 has 8 divisors (see below), whose sum is σ = 220673542500. Its totient is φ = 68653990944.

The previous prime is 142211838397. The next prime is 142211838467. The reversal of 142211838442 is 244838112241.

142211838442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 124551820561 + 17660017881 = 352919^2 + 132891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 142211838395 and 142211838404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225964067 + ... + 1225964182.

Almost surely, 2^142211838442 is an apocalyptic number.

142211838442 is a deficient number, since it is larger than the sum of its proper divisors (78461704058).

142211838442 is a wasteful number, since it uses less digits than its factorization.

142211838442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451928280.

The product of its digits is 98304, while the sum is 40.

The spelling of 142211838442 in words is "one hundred forty-two billion, two hundred eleven million, eight hundred thirty-eight thousand, four hundred forty-two".