43043321242144 has 24 divisors (see below), whose sum is σ = 84747299259420. Its totient is φ = 21520197620736.

The previous prime is 43043321242087. The next prime is 43043321242177. The reversal of 43043321242144 is 44124212334034.

43043321242144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42947208841744 + 96112400400 = 6553412^2 + 310020^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45240589 + ... + 46182220.

Almost surely, 2^{43043321242144} is an apocalyptic number.

It is an amenable number.

43043321242144 is a deficient number, since it is larger than the sum of its proper divisors (41703978017276).

43043321242144 is a wasteful number, since it uses less digits than its factorization.

43043321242144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91437532 (or 91437524 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 43043321242144 its reverse (44124212334034), we get a palindrome (87167533576178).

The spelling of 43043321242144 in words is "forty-three trillion, forty-three billion, three hundred twenty-one million, two hundred forty-two thousand, one hundred forty-four".