2144563443 has 48 divisors (see below), whose sum is σ = 3426074496. Its totient is φ = 1281870720.

The previous prime is 2144563441. The next prime is 2144563483. The reversal of 2144563443 is 3443654412.

2144563443 is a `hidden beast` number, since 2 + 14 + 4 + 5 + 634 + 4 + 3 = 666.

It is not a de Polignac number, because 2144563443 - 2¹ = 2144563441 is a prime.

It is a super-2 number, since 2×2144563443² = 9198304722104028498, which contains 22 as substring.

Its product of digits (138240) is a multiple of the sum of its prime factors (1024).

It is a junction number, because it is equal to n+sod(n) for n = 2144563398 and 2144563407.

It is not an unprimeable number, because it can be changed into a prime (2144563441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4692471 + ... + 4692927.

It is an arithmetic number, because the mean of its divisors is an integer number (71376552).

Almost surely, 2^2144563443 is an apocalyptic number.

2144563443 is a deficient number, since it is larger than the sum of its proper divisors (1281511053).

2144563443 is a wasteful number, since it uses less digits than its factorization.

2144563443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1021 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 2144563443 is about 46309.4314691943. The cubic root of 2144563443 is about 1289.5740923161.

The spelling of 2144563443 in words is "two billion, one hundred forty-four million, five hundred sixty-three thousand, four hundred forty-three".