4243144 has 8 divisors (see below), whose sum is σ = 7955910. Its totient is φ = 2121568.

The previous prime is 4243139. The next prime is 4243147. The reversal of 4243144 is 4413424.

It can be written as a sum of positive squares in only one way, i.e., 3378244 + 864900 = 1838^2 + 930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (4243147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265189 + ... + 265204.

Almost surely, 2^4243144 is an apocalyptic number.

It is an amenable number.

4243144 is a deficient number, since it is larger than the sum of its proper divisors (3712766).

4243144 is a wasteful number, since it uses less digits than its factorization.

4243144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530399 (or 530395 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 4243144 is about 2059.8893174149. The cubic root of 4243144 is about 161.8934420932.

Adding to 4243144 its reverse (4413424), we get a palindrome (8656568).

The spelling of 4243144 in words is "four million, two hundred forty-three thousand, one hundred forty-four".