443043163140345 has 20 divisors (see below), whose sum is σ = 794195892444900. Its totient is φ = 236289687007968.

The previous prime is 443043163140343. The next prime is 443043163140349. The reversal of 443043163140345 is 543041361340344.

443043163140345 is a `hidden beast` number, since 4 + 4 + 3 + 0 + 4 + 3 + 1 + 631 + 4 + 0 + 3 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 239745213429264 + 203297949711081 = 15483708^2 + 14258259^2 .

It is not a de Polignac number, because 443043163140345 - 2¹ = 443043163140343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 443043163140345.

It is not an unprimeable number, because it can be changed into a prime (443043163140343) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 546966867670 + ... + 546966868479.

It is an arithmetic number, because the mean of its divisors is an integer number (39709794622245).

Almost surely, 2^{443043163140345} is an apocalyptic number.

443043163140345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

443043163140345 is a deficient number, since it is larger than the sum of its proper divisors (351152729304555).

443043163140345 is a wasteful number, since it uses less digits than its factorization.

443043163140345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093933736166 (or 1093933736157 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 443043163140345 in words is "four hundred forty-three trillion, forty-three billion, one hundred sixty-three million, one hundred forty thousand, three hundred forty-five".