143442422 has 16 divisors (see below), whose sum is σ = 218726352. Its totient is φ = 70543200.

The previous prime is 143442407. The next prime is 143442443. The reversal of 143442422 is 224244341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 143442391 and 143442400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29453 + ... + 33975.

It is an arithmetic number, because the mean of its divisors is an integer number (13670397).

Almost surely, 2^143442422 is an apocalyptic number.

143442422 is a deficient number, since it is larger than the sum of its proper divisors (75283930).

143442422 is a wasteful number, since it uses less digits than its factorization.

143442422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783.

The product of its digits is 6144, while the sum is 26.

The square root of 143442422 is about 11976.7450503048. The cubic root of 143442422 is about 523.4708909454.

Adding to 143442422 its reverse (224244341), we get a palindrome (367686763).

The spelling of 143442422 in words is "one hundred forty-three million, four hundred forty-two thousand, four hundred twenty-two".