142211351442 has 8 divisors (see below), whose sum is σ = 284422702896. Its totient is φ = 47403783812.

The previous prime is 142211351393. The next prime is 142211351473. The reversal of 142211351442 is 244153112241.

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

142211351442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11850945948 + ... + 11850945959.

It is an arithmetic number, because the mean of its divisors is an integer number (35552837862).

Almost surely, 2^142211351442 is an apocalyptic number.

142211351442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142211351442 is a wasteful number, since it uses less digits than its factorization.

142211351442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23701891912.

The product of its digits is 7680, while the sum is 30.

Adding to 142211351442 its reverse (244153112241), we get a palindrome (386364463683).

The spelling of 142211351442 in words is "one hundred forty-two billion, two hundred eleven million, three hundred fifty-one thousand, four hundred forty-two".