144044333021221 has 8 divisors (see below), whose sum is σ = 149017527302400. Its totient is φ = 139071548627760.

The previous prime is 144044333021179. The next prime is 144044333021243. The reversal of 144044333021221 is 122120333440441.

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 144044333021221 - 2⁷ = 144044333021093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144044333021291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101756865 + ... + 103162726.

It is an arithmetic number, because the mean of its divisors is an integer number (18627190912800).

Almost surely, 2^{144044333021221} is an apocalyptic number.

It is an amenable number.

144044333021221 is a deficient number, since it is larger than the sum of its proper divisors (4973194281179).

144044333021221 is a wasteful number, since it uses less digits than its factorization.

144044333021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204943859.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 144044333021221 its reverse (122120333440441), we get a palindrome (266164666461662).

The spelling of 144044333021221 in words is "one hundred forty-four trillion, forty-four billion, three hundred thirty-three million, twenty-one thousand, two hundred twenty-one".