144242312 has 16 divisors (see below), whose sum is σ = 270585360. Its totient is φ = 72086224.

The previous prime is 144242303. The next prime is 144242323. The reversal of 144242312 is 213242441.

It is a super-2 number, since 2×144242312² = 41611689142210688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24083 + ... + 29469.

It is an arithmetic number, because the mean of its divisors is an integer number (16911585).

Almost surely, 2^144242312 is an apocalyptic number.

It is an amenable number.

144242312 is a deficient number, since it is larger than the sum of its proper divisors (126343048).

144242312 is a wasteful number, since it uses less digits than its factorization.

144242312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8740 (or 8736 counting only the distinct ones).

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

The square root of 144242312 is about 12010.0920895720. The cubic root of 144242312 is about 524.4421127419.

Adding to 144242312 its reverse (213242441), we get a palindrome (357484753).

The spelling of 144242312 in words is "one hundred forty-four million, two hundred forty-two thousand, three hundred twelve".