144227488 has 24 divisors (see below), whose sum is σ = 284365620. Its totient is φ = 72007680.

The previous prime is 144227477. The next prime is 144227491. The reversal of 144227488 is 884722441.

It can be written as a sum of positive squares in 2 ways, for example, as 143328784 + 898704 = 11972^2 + 948^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144227488.

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, 21678 + ... + 27538.

Almost surely, 2^144227488 is an apocalyptic number.

It is an amenable number.

144227488 is a deficient number, since it is larger than the sum of its proper divisors (140138132).

144227488 is an equidigital number, since it uses as much as digits as its factorization.

144227488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6640 (or 6632 counting only the distinct ones).

The product of its digits is 114688, while the sum is 40.

The square root of 144227488 is about 12009.4749260740. The cubic root of 144227488 is about 524.4241462241.

The spelling of 144227488 in words is "one hundred forty-four million, two hundred twenty-seven thousand, four hundred eighty-eight".