143232142 has 4 divisors (see below), whose sum is σ = 214848216. Its totient is φ = 71616070.

The previous prime is 143232137. The next prime is 143232161. The reversal of 143232142 is 241232341.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35808034 + ... + 35808037.

It is an arithmetic number, because the mean of its divisors is an integer number (53712054).

Almost surely, 2^143232142 is an apocalyptic number.

143232142 is a deficient number, since it is larger than the sum of its proper divisors (71616074).

143232142 is an equidigital number, since it uses as much as digits as its factorization.

143232142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71616073.

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

The square root of 143232142 is about 11967.9631516812. The cubic root of 143232142 is about 523.2149710909.

Adding to 143232142 its reverse (241232341), we get a palindrome (384464483).

The spelling of 143232142 in words is "one hundred forty-three million, two hundred thirty-two thousand, one hundred forty-two".