143033242 has 16 divisors (see below), whose sum is σ = 235901952. Its totient is φ = 64501920.

The previous prime is 143033239. The next prime is 143033243. The reversal of 143033242 is 242330341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a pancake number, because a pancake can be divided into 143033242 parts by 16913 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (143033243) 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, 22803 + ... + 28390.

It is an arithmetic number, because the mean of its divisors is an integer number (14743872).

Almost surely, 2^143033242 is an apocalyptic number.

143033242 is a deficient number, since it is larger than the sum of its proper divisors (92868710).

143033242 is a wasteful number, since it uses less digits than its factorization.

143033242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51333.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 143033242 is about 11959.6505801800. The cubic root of 143033242 is about 522.9726705738.

Adding to 143033242 its reverse (242330341), we get a palindrome (385363583).

The spelling of 143033242 in words is "one hundred forty-three million, thirty-three thousand, two hundred forty-two".