142013320444 has 12 divisors (see below), whose sum is σ = 263142329184. Its totient is φ = 66829797824.

The previous prime is 142013320433. The next prime is 142013320457. The reversal of 142013320444 is 444023310241.

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 3 ways as a sum of consecutive naturals, for example, 1044215524 + ... + 1044215659.

It is an arithmetic number, because the mean of its divisors is an integer number (21928527432).

Almost surely, 2^142013320444 is an apocalyptic number.

It is an amenable number.

142013320444 is a deficient number, since it is larger than the sum of its proper divisors (121129008740).

142013320444 is a wasteful number, since it uses less digits than its factorization.

142013320444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088431204 (or 2088431202 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 142013320444 its reverse (444023310241), we get a palindrome (586036630685).

The spelling of 142013320444 in words is "one hundred forty-two billion, thirteen million, three hundred twenty thousand, four hundred forty-four".