4452144 has 20 divisors (see below), whose sum is σ = 11501496. Its totient is φ = 1484032.

The previous prime is 4452143. The next prime is 4452157. The reversal of 4452144 is 4412544.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (4452143) 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, 46329 + ... + 46424.

Almost surely, 2^4452144 is an apocalyptic number.

It is an amenable number.

4452144 is an abundant number, since it is smaller than the sum of its proper divisors (7049352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4452144 is a wasteful number, since it uses less digits than its factorization.

4452144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92764 (or 92758 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 4452144 is about 2110.0104265145. The cubic root of 4452144 is about 164.5090271990.

Adding to 4452144 its reverse (4412544), we get a palindrome (8864688).

The spelling of 4452144 in words is "four million, four hundred fifty-two thousand, one hundred forty-four".