143422214 has 16 divisors (see below), whose sum is σ = 231880320. Its totient is φ = 66138240.

The previous prime is 143422193. The next prime is 143422229. The reversal of 143422214 is 412224341.

It is a self number, because there is not a number n which added to its sum of digits gives 143422214.

It is a congruent number.

It is an unprimeable number.

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, 54059 + ... + 56649.

It is an arithmetic number, because the mean of its divisors is an integer number (14492520).

Almost surely, 2^143422214 is an apocalyptic number.

143422214 is a deficient number, since it is larger than the sum of its proper divisors (88458106).

143422214 is a wasteful number, since it uses less digits than its factorization.

143422214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735.

The product of its digits is 1536, while the sum is 23.

The square root of 143422214 is about 11975.9013856995. The cubic root of 143422214 is about 523.4463078028.

Adding to 143422214 its reverse (412224341), we get a palindrome (555646555).

The spelling of 143422214 in words is "one hundred forty-three million, four hundred twenty-two thousand, two hundred fourteen".