144003216 has 80 divisors (see below), whose sum is σ = 435083264. Its totient is φ = 40182912.

The previous prime is 144003187. The next prime is 144003217. The reversal of 144003216 is 612300441.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 144003192 and 144003201.

It is not an unprimeable number, because it can be changed into a prime (144003217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9465 + ... + 19431.

Almost surely, 2^144003216 is an apocalyptic number.

144003216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144003216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217541632).

144003216 is an abundant number, since it is smaller than the sum of its proper divisors (291080048).

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

144003216 is a wasteful number, since it uses less digits than its factorization.

144003216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028 (or 10022 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 144003216 is about 12000.1339992518. The cubic root of 144003216 is about 524.1521808055.

Adding to 144003216 its reverse (612300441), we get a palindrome (756303657).

The spelling of 144003216 in words is "one hundred forty-four million, three thousand, two hundred sixteen".