2144312 has 16 divisors (see below), whose sum is σ = 4257360. Its totient is φ = 1009024.

The previous prime is 2144309. The next prime is 2144323. The reversal of 2144312 is 2134412.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 7748 + ... + 8019.

It is an arithmetic number, because the mean of its divisors is an integer number (266085).

2^2144312 is an apocalyptic number.

It is an amenable number.

2144312 is a deficient number, since it is larger than the sum of its proper divisors (2113048).

2144312 is a wasteful number, since it uses less digits than its factorization.

2144312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15790 (or 15786 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 2144312 is about 1464.3469534233. The cubic root of 2144312 is about 128.9523690908.

Adding to 2144312 its reverse (2134412), we get a palindrome (4278724).

The spelling of 2144312 in words is "two million, one hundred forty-four thousand, three hundred twelve".