4144456 has 8 divisors (see below), whose sum is σ = 7770870. Its totient is φ = 2072224.

The previous prime is 4144423. The next prime is 4144457. The reversal of 4144456 is 6544414.

It can be written as a sum of positive squares in only one way, i.e., 2775556 + 1368900 = 1666^2 + 1170^2 .

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

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4144457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259021 + ... + 259036.

Almost surely, 2^4144456 is an apocalyptic number.

It is an amenable number.

4144456 is a deficient number, since it is larger than the sum of its proper divisors (3626414).

4144456 is a wasteful number, since it uses less digits than its factorization.

4144456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518063 (or 518059 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 4144456 is about 2035.7937027115. The cubic root of 4144456 is about 160.6284657107.

The spelling of 4144456 in words is "four million, one hundred forty-four thousand, four hundred fifty-six".