4455144 has 48 divisors (see below), whose sum is σ = 12355200. Its totient is φ = 1449504.

The previous prime is 4455119. The next prime is 4455151. The reversal of 4455144 is 4415544.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 2377 + ... + 3815.

It is an arithmetic number, because the mean of its divisors is an integer number (257400).

Almost surely, 2^4455144 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 4455144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6177600).

4455144 is an abundant number, since it is smaller than the sum of its proper divisors (7900056).

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

4455144 is a wasteful number, since it uses less digits than its factorization.

4455144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1487 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 4455144 is about 2110.7212037595. The cubic root of 4455144 is about 164.5459694206.

The spelling of 4455144 in words is "four million, four hundred fifty-five thousand, one hundred forty-four".