144242133444421 has 8 divisors (see below), whose sum is σ = 145901186591040. Its totient is φ = 142583932631712.

The previous prime is 144242133444379. The next prime is 144242133444427. The reversal of 144242133444421 is 124444331242441.

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 144242133444421 - 2¹⁹ = 144242132920133 is a prime.

It is a super-3 number, since 3×144242133444421³ (a number of 43 digits) contains 333 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 (144242133444427) 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, 212743065 + ... + 213419998.

It is an arithmetic number, because the mean of its divisors is an integer number (18237648323880).

Almost surely, 2^{144242133444421} is an apocalyptic number.

It is an amenable number.

144242133444421 is a deficient number, since it is larger than the sum of its proper divisors (1659053146619).

144242133444421 is an equidigital number, since it uses as much as digits as its factorization.

144242133444421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426166955.

The product of its digits is 1179648, while the sum is 43.

Adding to 144242133444421 its reverse (124444331242441), we get a palindrome (268686464686862).

The spelling of 144242133444421 in words is "one hundred forty-four trillion, two hundred forty-two billion, one hundred thirty-three million, four hundred forty-four thousand, four hundred twenty-one".