144442221442243 has 8 divisors (see below), whose sum is σ = 144994999108608. Its totient is φ = 143889470804424.

The previous prime is 144442221442213. The next prime is 144442221442297. The reversal of 144442221442243 is 342244122244441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144442221442243 - 2³³ = 144433631507651 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 144442221442243.

It is not an unprimeable number, because it can be changed into a prime (144442221442213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3984046 + ... + 17457292.

It is an arithmetic number, because the mean of its divisors is an integer number (18124374888576).

Almost surely, 2^{144442221442243} is an apocalyptic number.

144442221442243 is a deficient number, since it is larger than the sum of its proper divisors (552777666365).

144442221442243 is a wasteful number, since it uses less digits than its factorization.

144442221442243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13514273.

The product of its digits is 1572864, while the sum is 43.

Adding to 144442221442243 its reverse (342244122244441), we get a palindrome (486686343686684).

The spelling of 144442221442243 in words is "one hundred forty-four trillion, four hundred forty-two billion, two hundred twenty-one million, four hundred forty-two thousand, two hundred forty-three".