1442544 has 40 divisors (see below), whose sum is σ = 3822672. Its totient is φ = 468480.

The previous prime is 1442531. The next prime is 1442549. The reversal of 1442544 is 4452441.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602 + ... + 2334.

2^1442544 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 1442544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1911336).

1442544 is an abundant number, since it is smaller than the sum of its proper divisors (2380128).

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

1442544 is a wasteful number, since it uses less digits than its factorization.

1442544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 779 counting only the distinct ones).

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

The square root of 1442544 is about 1201.0595322464. The cubic root of 1442544 is about 112.9907842224.

1442544 divided by its sum of digits (24) gives a palindrome (60106).

Adding to 1442544 its reverse (4452441), we get a palindrome (5894985).

The spelling of 1442544 in words is "one million, four hundred forty-two thousand, five hundred forty-four".