144353004421 has 4 divisors (see below), whose sum is σ = 144355603392. Its totient is φ = 144350405452.

The previous prime is 144353004377. The next prime is 144353004427. The reversal of 144353004421 is 124400353441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144353004421 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 (144353004427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214311 + ... + 1327876.

It is an arithmetic number, because the mean of its divisors is an integer number (36088900848).

Almost surely, 2^144353004421 is an apocalyptic number.

It is an amenable number.

144353004421 is a deficient number, since it is larger than the sum of its proper divisors (2598971).

144353004421 is an equidigital number, since it uses as much as digits as its factorization.

144353004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598970.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 144353004421 its reverse (124400353441), we get a palindrome (268753357862).

The spelling of 144353004421 in words is "one hundred forty-four billion, three hundred fifty-three million, four thousand, four hundred twenty-one".