143322142 has 16 divisors (see below), whose sum is σ = 220684464. Its totient is φ = 69768000.

The previous prime is 143322107. The next prime is 143322163. The reversal of 143322142 is 241223341.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45292 + ... + 48352.

It is an arithmetic number, because the mean of its divisors is an integer number (13792779).

Almost surely, 2^143322142 is an apocalyptic number.

143322142 is a deficient number, since it is larger than the sum of its proper divisors (77362322).

143322142 is a wasteful number, since it uses less digits than its factorization.

143322142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675.

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

The square root of 143322142 is about 11971.7225995259. The cubic root of 143322142 is about 523.3245356232.

Adding to 143322142 its reverse (241223341), we get a palindrome (384545483).

The spelling of 143322142 in words is "one hundred forty-three million, three hundred twenty-two thousand, one hundred forty-two".