144005224 has 16 divisors (see below), whose sum is σ = 294556320. Its totient is φ = 65456880.

The previous prime is 144005207. The next prime is 144005273. The reversal of 144005224 is 422500441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 144005195 and 144005204.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 818124 + ... + 818299.

It is an arithmetic number, because the mean of its divisors is an integer number (18409770).

Almost surely, 2^144005224 is an apocalyptic number.

It is an amenable number.

144005224 is an abundant number, since it is smaller than the sum of its proper divisors (150551096).

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

144005224 is a wasteful number, since it uses less digits than its factorization.

144005224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636440 (or 1636436 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 144005224 is about 12000.2176646926. The cubic root of 144005224 is about 524.1546170767.

Adding to 144005224 its reverse (422500441), we get a palindrome (566505665).

The spelling of 144005224 in words is "one hundred forty-four million, five thousand, two hundred twenty-four".