1442113332 has 144 divisors (see below), whose sum is σ = 4024601280. Its totient is φ = 399928320.

The previous prime is 1442113307. The next prime is 1442113429. The reversal of 1442113332 is 2333112441.

It is a happy number.

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 47 ways as a sum of consecutive naturals, for example, 912519 + ... + 914097.

It is an arithmetic number, because the mean of its divisors is an integer number (27948620).

Almost surely, 2^1442113332 is an apocalyptic number.

1442113332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442113332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2012300640).

1442113332 is an abundant number, since it is smaller than the sum of its proper divisors (2582487948).

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

1442113332 is a wasteful number, since it uses less digits than its factorization.

1442113332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1649 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1442113332 is about 37975.1673070706. The cubic root of 1442113332 is about 1129.7953872873.

Adding to 1442113332 its reverse (2333112441), we get a palindrome (3775225773).

The spelling of 1442113332 in words is "one billion, four hundred forty-two million, one hundred thirteen thousand, three hundred thirty-two".