144104340443421 has 4 divisors (see below), whose sum is σ = 192139120591232. Its totient is φ = 96069560295612.

The previous prime is 144104340443309. The next prime is 144104340443461. The reversal of 144104340443421 is 124344043401441.

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 not a de Polignac number, because 144104340443421 - 2³⁸ = 143829462536477 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 144104340443421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144104340443461) 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, 24017390073901 + ... + 24017390073906.

It is an arithmetic number, because the mean of its divisors is an integer number (48034780147808).

Almost surely, 2^{144104340443421} is an apocalyptic number.

It is an amenable number.

144104340443421 is a deficient number, since it is larger than the sum of its proper divisors (48034780147811).

144104340443421 is an equidigital number, since it uses as much as digits as its factorization.

144104340443421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48034780147810.

The product of its (nonzero) digits is 294912, while the sum is 39.

Adding to 144104340443421 its reverse (124344043401441), we get a palindrome (268448383844862).

The spelling of 144104340443421 in words is "one hundred forty-four trillion, one hundred four billion, three hundred forty million, four hundred forty-three thousand, four hundred twenty-one".