144441424013021 has 8 divisors (see below), whose sum is σ = 144468922429440. Its totient is φ = 144413926627168.

The previous prime is 144441424013011. The next prime is 144441424013077. The reversal of 144441424013021 is 120310424144441.

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-144441424013021 is a prime.

It is a super-3 number, since 3×144441424013021³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144441424013011) 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, 316789010 + ... + 317244636.

It is an arithmetic number, because the mean of its divisors is an integer number (18058615303680).

Almost surely, 2^{144441424013021} is an apocalyptic number.

It is an amenable number.

144441424013021 is a deficient number, since it is larger than the sum of its proper divisors (27498416419).

144441424013021 is an equidigital number, since it uses as much as digits as its factorization.

144441424013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515283.

The product of its (nonzero) digits is 49152, while the sum is 35.

Adding to 144441424013021 its reverse (120310424144441), we get a palindrome (264751848157462).

The spelling of 144441424013021 in words is "one hundred forty-four trillion, four hundred forty-one billion, four hundred twenty-four million, thirteen thousand, twenty-one".