143401422 has 16 divisors (see below), whose sum is σ = 288261072. Its totient is φ = 47557440.

The previous prime is 143401387. The next prime is 143401429. The reversal of 143401422 is 224104341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143401429) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 59479 + ... + 61842.

It is an arithmetic number, because the mean of its divisors is an integer number (18016317).

Almost surely, 2^143401422 is an apocalyptic number.

143401422 is an abundant number, since it is smaller than the sum of its proper divisors (144859650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143401422 is a wasteful number, since it uses less digits than its factorization.

143401422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121523.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 143401422 is about 11975.0332776156. The cubic root of 143401422 is about 523.4210118106.

Adding to 143401422 its reverse (224104341), we get a palindrome (367505763).

The spelling of 143401422 in words is "one hundred forty-three million, four hundred one thousand, four hundred twenty-two".