144240224 has 12 divisors (see below), whose sum is σ = 283973004. Its totient is φ = 72120096.

The previous prime is 144240209. The next prime is 144240247. The reversal of 144240224 is 422042441.

It is a self number, because there is not a number n which added to its sum of digits gives 144240224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2253722 + ... + 2253785.

It is an arithmetic number, because the mean of its divisors is an integer number (23664417).

Almost surely, 2^144240224 is an apocalyptic number.

It is an amenable number.

144240224 is a deficient number, since it is larger than the sum of its proper divisors (139732780).

144240224 is an equidigital number, since it uses as much as digits as its factorization.

144240224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507517 (or 4507509 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 144240224 is about 12010.0051623636. The cubic root of 144240224 is about 524.4395821844.

Adding to 144240224 its reverse (422042441), we get a palindrome (566282665).

The spelling of 144240224 in words is "one hundred forty-four million, two hundred forty thousand, two hundred twenty-four".