144420431304 has 32 divisors (see below), whose sum is σ = 369857204640. Its totient is φ = 46965993600.

The previous prime is 144420431303. The next prime is 144420431357. The reversal of 144420431304 is 403134024441.

It is not an unprimeable number, because it can be changed into a prime (144420431303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73383382 + ... + 73385349.

It is an arithmetic number, because the mean of its divisors is an integer number (11558037645).

Almost surely, 2^144420431304 is an apocalyptic number.

It is an amenable number.

144420431304 is an abundant number, since it is smaller than the sum of its proper divisors (225436773336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144420431304 is a wasteful number, since it uses less digits than its factorization.

144420431304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146768781 (or 146768777 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 144420431304 its reverse (403134024441), we get a palindrome (547554455745).

The spelling of 144420431304 in words is "one hundred forty-four billion, four hundred twenty million, four hundred thirty-one thousand, three hundred four".