144222112 has 24 divisors (see below), whose sum is σ = 285130692. Its totient is φ = 71808000.

The previous prime is 144222109. The next prime is 144222119. The reversal of 144222112 is 211222441.

It can be written as a sum of positive squares in 2 ways, for example, as 143904016 + 318096 = 11996^2 + 564^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 144222112.

It is not an unprimeable number, because it can be changed into a prime (144222119) by changing a digit.

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, 1639 + ... + 17062.

Almost surely, 2^144222112 is an apocalyptic number.

It is an amenable number.

144222112 is a deficient number, since it is larger than the sum of its proper divisors (140908580).

144222112 is a wasteful number, since it uses less digits than its factorization.

144222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18952 (or 18944 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 144222112 is about 12009.2511007140. The cubic root of 144222112 is about 524.4176302696.

Adding to 144222112 its reverse (211222441), we get a palindrome (355444553).

The spelling of 144222112 in words is "one hundred forty-four million, two hundred twenty-two thousand, one hundred twelve".