144403227 has 12 divisors (see below), whose sum is σ = 208847184. Its totient is φ = 96146640.

The previous prime is 144403213. The next prime is 144403229. The reversal of 144403227 is 722304441.

It is not a de Polignac number, because 144403227 - 2¹² = 144399131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144403227.

It is not an unprimeable number, because it can be changed into a prime (144403229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2383 + ... + 17160.

It is an arithmetic number, because the mean of its divisors is an integer number (17403932).

Almost surely, 2^144403227 is an apocalyptic number.

144403227 is a deficient number, since it is larger than the sum of its proper divisors (64443957).

144403227 is a wasteful number, since it uses less digits than its factorization.

144403227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20370 (or 20367 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 144403227 is about 12016.7893798635. The cubic root of 144403227 is about 524.6370607178.

Adding to 144403227 its reverse (722304441), we get a palindrome (866707668).

The spelling of 144403227 in words is "one hundred forty-four million, four hundred three thousand, two hundred twenty-seven".