144104021021 has 4 divisors (see below), whose sum is σ = 151688443200. Its totient is φ = 136519598844.

The previous prime is 144104021003. The next prime is 144104021041. The reversal of 144104021021 is 120120401441.

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-144104021021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144104020984 and 144104021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144104021041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3792211061 + ... + 3792211098.

It is an arithmetic number, because the mean of its divisors is an integer number (37922110800).

Almost surely, 2^144104021021 is an apocalyptic number.

It is an amenable number.

144104021021 is a deficient number, since it is larger than the sum of its proper divisors (7584422179).

144104021021 is an equidigital number, since it uses as much as digits as its factorization.

144104021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584422178.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 144104021021 its reverse (120120401441), we get a palindrome (264224422462).

The spelling of 144104021021 in words is "one hundred forty-four billion, one hundred four million, twenty-one thousand, twenty-one".