144104144120221 has 8 divisors (see below), whose sum is σ = 152637140660544. Its totient is φ = 135577401155520.

The previous prime is 144104144120177. The next prime is 144104144120239. The reversal of 144104144120221 is 122021441401441.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144104144120221 is a prime.

It is a super-2 number, since 2×144104144120221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144104141120221) 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, 1563346455 + ... + 1563438628.

It is an arithmetic number, because the mean of its divisors is an integer number (19079642582568).

Almost surely, 2^{144104144120221} is an apocalyptic number.

It is an amenable number.

144104144120221 is a deficient number, since it is larger than the sum of its proper divisors (8532996540323).

144104144120221 is a wasteful number, since it uses less digits than its factorization.

144104144120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126787811.

The product of its (nonzero) digits is 8192, while the sum is 31.

Adding to 144104144120221 its reverse (122021441401441), we get a palindrome (266125585521662).

The spelling of 144104144120221 in words is "one hundred forty-four trillion, one hundred four billion, one hundred forty-four million, one hundred twenty thousand, two hundred twenty-one".