143141422 has 8 divisors (see below), whose sum is σ = 215179272. Its totient is φ = 71415000.

The previous prime is 143141417. The next prime is 143141423. The reversal of 143141422 is 224141341.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 143141393 and 143141402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143141423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76704 + ... + 78547.

It is an arithmetic number, because the mean of its divisors is an integer number (26897409).

Almost surely, 2^143141422 is an apocalyptic number.

143141422 is a deficient number, since it is larger than the sum of its proper divisors (72037850).

143141422 is a wasteful number, since it uses less digits than its factorization.

143141422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155714.

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

The square root of 143141422 is about 11964.1724327260. The cubic root of 143141422 is about 523.1044835835.

Adding to 143141422 its reverse (224141341), we get a palindrome (367282763).

The spelling of 143141422 in words is "one hundred forty-three million, one hundred forty-one thousand, four hundred twenty-two".