2143244524144 has 120 divisors (see below), whose sum is σ = 4574992181760. Its totient is φ = 969892995456.

The previous prime is 2143244524133. The next prime is 2143244524153. The reversal of 2143244524144 is 4414254423412.

It is a junction number, because it is equal to n+sod(n) for n = 2143244524097 and 2143244524106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138776487 + ... + 138791929.

It is an arithmetic number, because the mean of its divisors is an integer number (38124934848).

Almost surely, 2^{2143244524144} 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 2143244524144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2287496090880).

2143244524144 is an abundant number, since it is smaller than the sum of its proper divisors (2431747657616).

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

2143244524144 is a wasteful number, since it uses less digits than its factorization.

2143244524144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16379 (or 16350 counting only the distinct ones).

The product of its digits is 491520, while the sum is 40.

Adding to 2143244524144 its reverse (4414254423412), we get a palindrome (6557498947556).

The spelling of 2143244524144 in words is "two trillion, one hundred forty-three billion, two hundred forty-four million, five hundred twenty-four thousand, one hundred forty-four".