1442364144 has 80 divisors (see below), whose sum is σ = 4024138272. Its totient is φ = 442543104.

The previous prime is 1442364127. The next prime is 1442364163. The reversal of 1442364144 is 4414632441.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229654 + ... + 235850.

Almost surely, 2^1442364144 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 1442364144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2012069136).

1442364144 is an abundant number, since it is smaller than the sum of its proper divisors (2581774128).

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

1442364144 is a wasteful number, since it uses less digits than its factorization.

1442364144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594 (or 6588 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 1442364144 is about 37978.4694794301. The cubic root of 1442364144 is about 1129.8608814036.

Adding to 1442364144 its reverse (4414632441), we get a palindrome (5856996585).

The spelling of 1442364144 in words is "one billion, four hundred forty-two million, three hundred sixty-four thousand, one hundred forty-four".