144224312 has 16 divisors (see below), whose sum is σ = 270720360. Its totient is φ = 72032224.

The previous prime is 144224299. The next prime is 144224317. The reversal of 144224312 is 213422441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144224317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943 + ... + 17094.

Almost surely, 2^144224312 is an apocalyptic number.

It is an amenable number.

144224312 is a deficient number, since it is larger than the sum of its proper divisors (126496048).

144224312 is a wasteful number, since it uses less digits than its factorization.

144224312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19990 (or 19986 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 144224312 is about 12009.3426964177. The cubic root of 144224312 is about 524.4202967884.

Adding to 144224312 its reverse (213422441), we get a palindrome (357646753).

The spelling of 144224312 in words is "one hundred forty-four million, two hundred twenty-four thousand, three hundred twelve".