144003224 has 8 divisors (see below), whose sum is σ = 270006060. Its totient is φ = 72001608.

The previous prime is 144003217. The next prime is 144003229. The reversal of 144003224 is 422300441.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 144003196 and 144003205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144003229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9000194 + ... + 9000209.

Almost surely, 2^144003224 is an apocalyptic number.

It is an amenable number.

144003224 is a deficient number, since it is larger than the sum of its proper divisors (126002836).

144003224 is a wasteful number, since it uses less digits than its factorization.

144003224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18000409 (or 18000405 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 144003224 is about 12000.1343325814. The cubic root of 144003224 is about 524.1521905118.

Adding to 144003224 its reverse (422300441), we get a palindrome (566303665).

The spelling of 144003224 in words is "one hundred forty-four million, three thousand, two hundred twenty-four".