144402314421 has 4 divisors (see below), whose sum is σ = 192536419232. Its totient is φ = 96268209612.

The previous prime is 144402314417. The next prime is 144402314449. The reversal of 144402314421 is 124413204441.

It is a happy number.

144402314421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 144402314421 - 2² = 144402314417 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 (144402314461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24067052401 + ... + 24067052406.

It is an arithmetic number, because the mean of its divisors is an integer number (48134104808).

Almost surely, 2^144402314421 is an apocalyptic number.

It is an amenable number.

144402314421 is a deficient number, since it is larger than the sum of its proper divisors (48134104811).

144402314421 is an equidigital number, since it uses as much as digits as its factorization.

144402314421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48134104810.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 144402314421 its reverse (124413204441), we get a palindrome (268815518862).

The spelling of 144402314421 in words is "one hundred forty-four billion, four hundred two million, three hundred fourteen thousand, four hundred twenty-one".