144884224 has 20 divisors (see below), whose sum is σ = 289486494. Its totient is φ = 72441856.

The previous prime is 144884189. The next prime is 144884227. The reversal of 144884224 is 422488441.

It can be written as a sum of positive squares in only one way, i.e., 87609600 + 57274624 = 9360^2 + 7568^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (144884227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140977 + ... + 142000.

Almost surely, 2^144884224 is an apocalyptic number.

It is an amenable number.

144884224 is a deficient number, since it is larger than the sum of its proper divisors (144602270).

144884224 is an frugal number, since it uses more digits than its factorization.

144884224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282995 (or 282979 counting only the distinct ones).

The product of its digits is 65536, while the sum is 37.

The square root of 144884224 is about 12036.7862820605. The cubic root of 144884224 is about 525.2189248711.

The spelling of 144884224 in words is "one hundred forty-four million, eight hundred eighty-four thousand, two hundred twenty-four".