143442444 has 48 divisors (see below), whose sum is σ = 354509568. Its totient is φ = 45046848.

The previous prime is 143442443. The next prime is 143442469. The reversal of 143442444 is 444244341.

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

It is not an unprimeable number, because it can be changed into a prime (143442443) 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, 14614 + ... + 22370.

It is an arithmetic number, because the mean of its divisors is an integer number (7385616).

Almost surely, 2^143442444 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 143442444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177254784).

143442444 is an abundant number, since it is smaller than the sum of its proper divisors (211067124).

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

143442444 is a wasteful number, since it uses less digits than its factorization.

143442444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854 (or 7852 counting only the distinct ones).

The product of its digits is 24576, while the sum is 30.

The square root of 143442444 is about 11976.7459687513. The cubic root of 143442444 is about 523.4709177073.

Adding to 143442444 its reverse (444244341), we get a palindrome (587686785).

The spelling of 143442444 in words is "one hundred forty-three million, four hundred forty-two thousand, four hundred forty-four".