1444504144 has 80 divisors (see below), whose sum is σ = 3135549312. Its totient is φ = 641101824.

The previous prime is 1444504141. The next prime is 1444504163. The reversal of 1444504144 is 4414054441.

It is a super-3 number, since 3×1444504144³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444504141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455107 + ... + 458269.

Almost surely, 2^1444504144 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 1444504144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1567774656).

1444504144 is an abundant number, since it is smaller than the sum of its proper divisors (1691045168).

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

1444504144 is a wasteful number, since it uses less digits than its factorization.

1444504144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 1444504144 is about 38006.6328947988. The cubic root of 1444504144 is about 1130.4193874940.

Adding to 1444504144 its reverse (4414054441), we get a palindrome (5858558585).

The spelling of 1444504144 in words is "one billion, four hundred forty-four million, five hundred four thousand, one hundred forty-four".