422143143 has 8 divisors (see below), whose sum is σ = 574833408. Its totient is φ = 275440824.

The previous prime is 422143091. The next prime is 422143153. The reversal of 422143143 is 341341224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422143143 - 2¹⁴ = 422126759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422143153) 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, 1496821 + ... + 1497102.

It is an arithmetic number, because the mean of its divisors is an integer number (71854176).

Almost surely, 2^422143143 is an apocalyptic number.

422143143 is a deficient number, since it is larger than the sum of its proper divisors (152690265).

422143143 is a wasteful number, since it uses less digits than its factorization.

422143143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993973.

The product of its digits is 2304, while the sum is 24.

The square root of 422143143 is about 20546.1223348835. The cubic root of 422143143 is about 750.1588659020.

Adding to 422143143 its reverse (341341224), we get a palindrome (763484367).

The spelling of 422143143 in words is "four hundred twenty-two million, one hundred forty-three thousand, one hundred forty-three".