1444553422243 has 4 divisors (see below), whose sum is σ = 1446745461480. Its totient is φ = 1442361383008.

The previous prime is 1444553422237. The next prime is 1444553422267. The reversal of 1444553422243 is 3422243554441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1444553422243 - 2¹⁷ = 1444553291171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444553422243.

It is not an unprimeable number, because it can be changed into a prime (1444553425243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096018630 + ... + 1096019947.

It is an arithmetic number, because the mean of its divisors is an integer number (361686365370).

Almost surely, 2^{1444553422243} is an apocalyptic number.

1444553422243 is a deficient number, since it is larger than the sum of its proper divisors (2192039237).

1444553422243 is an equidigital number, since it uses as much as digits as its factorization.

1444553422243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192039236.

The product of its digits is 1843200, while the sum is 43.

Adding to 1444553422243 its reverse (3422243554441), we get a palindrome (4866796976684).

The spelling of 1444553422243 in words is "one trillion, four hundred forty-four billion, five hundred fifty-three million, four hundred twenty-two thousand, two hundred forty-three".