143442222 has 32 divisors (see below), whose sum is σ = 357675264. Its totient is φ = 37257600.

The previous prime is 143442203. The next prime is 143442227. The reversal of 143442222 is 222244341.

It is a junction number, because it is equal to n+sod(n) for n = 143442192 and 143442201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143442227) 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 15 ways as a sum of consecutive naturals, for example, 154779 + ... + 155702.

It is an arithmetic number, because the mean of its divisors is an integer number (11177352).

Almost surely, 2^143442222 is an apocalyptic number.

143442222 is an abundant number, since it is smaller than the sum of its proper divisors (214233042).

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

143442222 is a wasteful number, since it uses less digits than its factorization.

143442222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310504.

The product of its digits is 3072, while the sum is 24.

The square root of 143442222 is about 11976.7367007879. The cubic root of 143442222 is about 523.4706476556.

Adding to 143442222 its reverse (222244341), we get a palindrome (365686563).

The spelling of 143442222 in words is "one hundred forty-three million, four hundred forty-two thousand, two hundred twenty-two".