143132242 has 16 divisors (see below), whose sum is σ = 235576512. Its totient is φ = 64682320.

The previous prime is 143132233. The next prime is 143132261. The reversal of 143132242 is 242231341.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14998 + ... + 22609.

It is an arithmetic number, because the mean of its divisors is an integer number (14723532).

Almost surely, 2^143132242 is an apocalyptic number.

143132242 is a deficient number, since it is larger than the sum of its proper divisors (92444270).

143132242 is a wasteful number, since it uses less digits than its factorization.

143132242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37793.

The product of its digits is 1152, while the sum is 22.

The square root of 143132242 is about 11963.7887811512. The cubic root of 143132242 is about 523.0933006994.

Adding to 143132242 its reverse (242231341), we get a palindrome (385363583).

Subtracting 143132242 from its reverse (242231341), we obtain a palindrome (99099099).

The spelling of 143132242 in words is "one hundred forty-three million, one hundred thirty-two thousand, two hundred forty-two".