143241142 has 16 divisors (see below), whose sum is σ = 241956864. Its totient is φ = 63009000.

The previous prime is 143241113. The next prime is 143241149. The reversal of 143241142 is 241142341.

It is a happy number.

It is a super-3 number, since 3×143241142³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143241149) 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, 104334 + ... + 105697.

It is an arithmetic number, because the mean of its divisors is an integer number (15122304).

Almost surely, 2^143241142 is an apocalyptic number.

143241142 is a deficient number, since it is larger than the sum of its proper divisors (98715722).

143241142 is a wasteful number, since it uses less digits than its factorization.

143241142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210075.

The product of its digits is 768, while the sum is 22.

The square root of 143241142 is about 11968.3391496063. The cubic root of 143241142 is about 523.2259296091.

Adding to 143241142 its reverse (241142341), we get a palindrome (384383483).

The spelling of 143241142 in words is "one hundred forty-three million, two hundred forty-one thousand, one hundred forty-two".