144643312 has 80 divisors (see below), whose sum is σ = 315694080. Its totient is φ = 63648000.

The previous prime is 144643283. The next prime is 144643319. The reversal of 144643312 is 213346441.

144643312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144643319) 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 15 ways as a sum of consecutive naturals, for example, 1404253 + ... + 1404355.

It is an arithmetic number, because the mean of its divisors is an integer number (3946176).

Almost surely, 2^144643312 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 144643312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157847040).

144643312 is an abundant number, since it is smaller than the sum of its proper divisors (171050768).

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

144643312 is a wasteful number, since it uses less digits than its factorization.

144643312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 296 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 144643312 is about 12026.7747962619. The cubic root of 144643312 is about 524.9276538254.

Adding to 144643312 its reverse (213346441), we get a palindrome (357989753).

The spelling of 144643312 in words is "one hundred forty-four million, six hundred forty-three thousand, three hundred twelve".