143042444 has 24 divisors (see below), whose sum is σ = 259477680. Its totient is φ = 68942016.

The previous prime is 143042429. The next prime is 143042447. The reversal of 143042444 is 444240341.

It is a happy number.

It is a super-2 number, since 2×143042444² = 40922281570986272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143042447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11699 + ... + 20565.

It is an arithmetic number, because the mean of its divisors is an integer number (10811570).

Almost surely, 2^143042444 is an apocalyptic number.

It is an amenable number.

143042444 is a deficient number, since it is larger than the sum of its proper divisors (116435236).

143042444 is a wasteful number, since it uses less digits than its factorization.

143042444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9017 (or 9015 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 143042444 is about 11960.0352842289. The cubic root of 143042444 is about 522.9838854290.

Adding to 143042444 its reverse (444240341), we get a palindrome (587282785).

The spelling of 143042444 in words is "one hundred forty-three million, forty-two thousand, four hundred forty-four".