2143144202144 has 96 divisors (see below), whose sum is σ = 4618073585664. Its totient is φ = 970946452480.

The previous prime is 2143144202093. The next prime is 2143144202179. The reversal of 2143144202144 is 4412024413412.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2143144202144.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233631542 + ... + 233640714.

It is an arithmetic number, because the mean of its divisors is an integer number (48104933184).

Almost surely, 2^{2143144202144} 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 2143144202144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2309036792832).

2143144202144 is an abundant number, since it is smaller than the sum of its proper divisors (2474929383520).

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

2143144202144 is a wasteful number, since it uses less digits than its factorization.

2143144202144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310 (or 11302 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 2143144202144 its reverse (4412024413412), we get a palindrome (6555168615556).

The spelling of 2143144202144 in words is "two trillion, one hundred forty-three billion, one hundred forty-four million, two hundred two thousand, one hundred forty-four".