4502144 has 32 divisors (see below), whose sum is σ = 9501300. Its totient is φ = 2117632.

The previous prime is 4502137. The next prime is 4502149. The reversal of 4502144 is 4412054.

It can be written as a sum of positive squares in 2 ways, for example, as 4494400 + 7744 = 2120^2 + 88^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (4502149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142 + ... + 3210.

Almost surely, 2^4502144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4502144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4750650).

4502144 is an abundant number, since it is smaller than the sum of its proper divisors (4999156).

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

4502144 is a wasteful number, since it uses less digits than its factorization.

4502144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4502144 is about 2121.8256290280. The cubic root of 4502144 is about 165.1225780300.

Adding to 4502144 its reverse (4412054), we get a palindrome (8914198).

The spelling of 4502144 in words is "four million, five hundred two thousand, one hundred forty-four".