142404442312 has 64 divisors (see below), whose sum is σ = 307929211200. Its totient is φ = 61059133440.

The previous prime is 142404442309. The next prime is 142404442361. The reversal of 142404442312 is 213244404241.

It is a happy number.

142404442312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 206808 + ... + 572344.

It is an arithmetic number, because the mean of its divisors is an integer number (4811393925).

Almost surely, 2^142404442312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142404442312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153964605600).

142404442312 is an abundant number, since it is smaller than the sum of its proper divisors (165524768888).

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

142404442312 is a wasteful number, since it uses less digits than its factorization.

142404442312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365806 (or 365802 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 142404442312 its reverse (213244404241), we get a palindrome (355648846553).

The spelling of 142404442312 in words is "one hundred forty-two billion, four hundred four million, four hundred forty-two thousand, three hundred twelve".