144431303424 has 144 divisors (see below), whose sum is σ = 414051477504. Its totient is φ = 44564889600.

The previous prime is 144431303399. The next prime is 144431303503. The reversal of 144431303424 is 424303134441.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 415704 + ... + 679464.

Almost surely, 2^144431303424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144431303424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207025738752).

144431303424 is an abundant number, since it is smaller than the sum of its proper divisors (269620174080).

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

144431303424 is a wasteful number, since it uses less digits than its factorization.

144431303424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263834 (or 263820 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 144431303424 its reverse (424303134441), we get a palindrome (568734437865).

The spelling of 144431303424 in words is "one hundred forty-four billion, four hundred thirty-one million, three hundred three thousand, four hundred twenty-four".