143022444 has 12 divisors (see below), whose sum is σ = 333719064. Its totient is φ = 47674144.

The previous prime is 143022433. The next prime is 143022493. The reversal of 143022444 is 444220341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5959257 + ... + 5959280.

It is an arithmetic number, because the mean of its divisors is an integer number (27809922).

Almost surely, 2^143022444 is an apocalyptic number.

It is an amenable number.

143022444 is an abundant number, since it is smaller than the sum of its proper divisors (190696620).

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

143022444 is a wasteful number, since it uses less digits than its factorization.

143022444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11918544 (or 11918542 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 143022444 is about 11959.1991370660. The cubic root of 143022444 is about 522.9595099944.

Adding to 143022444 its reverse (444220341), we get a palindrome (587242785).

The spelling of 143022444 in words is "one hundred forty-three million, twenty-two thousand, four hundred forty-four".