142444032144140 has 48 divisors (see below), whose sum is σ = 300630590678880. Its totient is φ = 56692956334080.

The previous prime is 142444032144119. The next prime is 142444032144143. The reversal of 142444032144140 is 41441230444241.

142444032144140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142444032144094 and 142444032144103.

It is not an unprimeable number, because it can be changed into a prime (142444032144143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18628430 + ... + 25137749.

It is an arithmetic number, because the mean of its divisors is an integer number (6263137305810).

Almost surely, 2^{142444032144140} is an apocalyptic number.

142444032144140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142444032144140 is an abundant number, since it is smaller than the sum of its proper divisors (158186558534740).

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

142444032144140 is a wasteful number, since it uses less digits than its factorization.

142444032144140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43767002 (or 43767000 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 38.

Adding to 142444032144140 its reverse (41441230444241), we get a palindrome (183885262588381).

The spelling of 142444032144140 in words is "one hundred forty-two trillion, four hundred forty-four billion, thirty-two million, one hundred forty-four thousand, one hundred forty".