143012422 has 8 divisors (see below), whose sum is σ = 245164176. Its totient is φ = 61291032.

The previous prime is 143012407. The next prime is 143012423. The reversal of 143012422 is 224210341.

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

It is a self number, because there is not a number n which added to its sum of digits gives 143012422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143012423) 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, 5107573 + ... + 5107600.

It is an arithmetic number, because the mean of its divisors is an integer number (30645522).

Almost surely, 2^143012422 is an apocalyptic number.

143012422 is a deficient number, since it is larger than the sum of its proper divisors (102151754).

143012422 is a wasteful number, since it uses less digits than its factorization.

143012422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215182.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 143012422 is about 11958.7801217348. The cubic root of 143012422 is about 522.9472946095.

Adding to 143012422 its reverse (224210341), we get a palindrome (367222763).

The spelling of 143012422 in words is "one hundred forty-three million, twelve thousand, four hundred twenty-two".