144023442421 has 8 divisors (see below), whose sum is σ = 145639346688. Its totient is φ = 142415364000.

The previous prime is 144023442397. The next prime is 144023442443. The reversal of 144023442421 is 124244320441.

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 not a de Polignac number, because 144023442421 - 2¹⁹ = 144022918133 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 (144023442481) 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, 1919445 + ... + 1993066.

It is an arithmetic number, because the mean of its divisors is an integer number (18204918336).

Almost surely, 2^144023442421 is an apocalyptic number.

It is an amenable number.

144023442421 is a deficient number, since it is larger than the sum of its proper divisors (1615904267).

144023442421 is a wasteful number, since it uses less digits than its factorization.

144023442421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912923.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 144023442421 its reverse (124244320441), we get a palindrome (268267762862).

The spelling of 144023442421 in words is "one hundred forty-four billion, twenty-three million, four hundred forty-two thousand, four hundred twenty-one".