143042224 has 40 divisors (see below), whose sum is σ = 301855680. Its totient is φ = 65269248.

The previous prime is 143042213. The next prime is 143042227. The reversal of 143042224 is 422240341.

It is a happy number.

It is a super-2 number, since 2×143042224² = 40922155693732352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143042195 and 143042204.

It is not an unprimeable number, because it can be changed into a prime (143042227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14649 + ... + 22375.

It is an arithmetic number, because the mean of its divisors is an integer number (7546392).

Almost surely, 2^143042224 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 143042224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150927840).

143042224 is an abundant number, since it is smaller than the sum of its proper divisors (158813456).

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

143042224 is a wasteful number, since it uses less digits than its factorization.

143042224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7837 (or 7831 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 143042224 is about 11960.0260869281. The cubic root of 143042224 is about 522.9836173116.

Adding to 143042224 its reverse (422240341), we get a palindrome (565282565).

The spelling of 143042224 in words is "one hundred forty-three million, forty-two thousand, two hundred twenty-four".