144203312 has 80 divisors (see below), whose sum is σ = 332121600. Its totient is φ = 59915520.

The previous prime is 144203309. The next prime is 144203317. The reversal of 144203312 is 213302441.

It is not an unprimeable number, because it can be changed into a prime (144203317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96233 + ... + 97719.

It is an arithmetic number, because the mean of its divisors is an integer number (4151520).

Almost surely, 2^144203312 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 144203312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166060800).

144203312 is an abundant number, since it is smaller than the sum of its proper divisors (187918288).

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

144203312 is a wasteful number, since it uses less digits than its factorization.

144203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 144203312 is about 12008.4683452970. The cubic root of 144203312 is about 524.3948425483.

Adding to 144203312 its reverse (213302441), we get a palindrome (357505753).

The spelling of 144203312 in words is "one hundred forty-four million, two hundred three thousand, three hundred twelve".