1044144 has 40 divisors (see below), whose sum is σ = 2998320. Its totient is φ = 347904.

The previous prime is 1044139. The next prime is 1044149. The reversal of 1044144 is 4414401.

It is an interprime number because it is at equal distance from previous prime (1044139) and next prime (1044149).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1044149) 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 in 7 ways as a sum of consecutive naturals, for example, 777 + ... + 1640.

It is an arithmetic number, because the mean of its divisors is an integer number (74958).

2^1044144 is an apocalyptic number.

It is an amenable number.

1044144 is an abundant number, since it is smaller than the sum of its proper divisors (1954176).

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

1044144 is a wasteful number, since it uses less digits than its factorization.

1044144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434 (or 2422 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1044144 is about 1021.8336459522. The cubic root of 1044144 is about 101.4503303938.

Adding to 1044144 its reverse (4414401), we get a palindrome (5458545).

The spelling of 1044144 in words is "one million, forty-four thousand, one hundred forty-four".