144121442323220 has 96 divisors (see below), whose sum is σ = 313645991823360. Its totient is φ = 55570032990720.

The previous prime is 144121442323219. The next prime is 144121442323237. The reversal of 144121442323220 is 22323244121441.

144121442323220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194833502 + ... + 195571818.

It is an arithmetic number, because the mean of its divisors is an integer number (3267145748160).

Almost surely, 2^{144121442323220} is an apocalyptic number.

144121442323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144121442323220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156822995911680).

144121442323220 is an abundant number, since it is smaller than the sum of its proper divisors (169524549500140).

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

144121442323220 is a wasteful number, since it uses less digits than its factorization.

144121442323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739593 (or 739591 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 144121442323220 its reverse (22323244121441), we get a palindrome (166444686444661).

The spelling of 144121442323220 in words is "one hundred forty-four trillion, one hundred twenty-one billion, four hundred forty-two million, three hundred twenty-three thousand, two hundred twenty".