13443552145444 has 24 divisors (see below), whose sum is σ = 25618384310400. Its totient is φ = 6148412232480.

The previous prime is 13443552145427. The next prime is 13443552145451. The reversal of 13443552145444 is 44454125534431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3049805452 + ... + 3049809859.

It is an arithmetic number, because the mean of its divisors is an integer number (1067432679600).

Almost surely, 2^{13443552145444} is an apocalyptic number.

It is an amenable number.

13443552145444 is a deficient number, since it is larger than the sum of its proper divisors (12174832164956).

13443552145444 is a wasteful number, since it uses less digits than its factorization.

13443552145444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099615363 (or 6099615361 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 49.

Adding to 13443552145444 its reverse (44454125534431), we get a palindrome (57897677679875).

The spelling of 13443552145444 in words is "thirteen trillion, four hundred forty-three billion, five hundred fifty-two million, one hundred forty-five thousand, four hundred forty-four".