144420421140203 has 8 divisors (see below), whose sum is σ = 159146653707888. Its totient is φ = 130210898487264.

The previous prime is 144420421140181. The next prime is 144420421140253. The reversal of 144420421140203 is 302041124024441.

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 144420421140203 - 2⁶ = 144420421140139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144420421140203.

It is not an unprimeable number, because it can be changed into a prime (144420421140253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129177478100 + ... + 129177479217.

It is an arithmetic number, because the mean of its divisors is an integer number (19893331713486).

Almost surely, 2^{144420421140203} is an apocalyptic number.

144420421140203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144420421140203 is a deficient number, since it is larger than the sum of its proper divisors (14726232567685).

144420421140203 is a wasteful number, since it uses less digits than its factorization.

144420421140203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258354957373.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 144420421140203 its reverse (302041124024441), we get a palindrome (446461545164644).

The spelling of 144420421140203 in words is "one hundred forty-four trillion, four hundred twenty billion, four hundred twenty-one million, one hundred forty thousand, two hundred three".