143222133 has 16 divisors (see below), whose sum is σ = 201415680. Its totient is φ = 90275184.

The previous prime is 143222119. The next prime is 143222137. The reversal of 143222133 is 331222341.

It is not a de Polignac number, because 143222133 - 2⁸ = 143221877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143222137) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29860 + ... + 34322.

It is an arithmetic number, because the mean of its divisors is an integer number (12588480).

Almost surely, 2^143222133 is an apocalyptic number.

It is an amenable number.

143222133 is a deficient number, since it is larger than the sum of its proper divisors (58193547).

143222133 is a wasteful number, since it uses less digits than its factorization.

143222133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048.

The product of its digits is 864, while the sum is 21.

The square root of 143222133 is about 11967.5449863370. The cubic root of 143222133 is about 523.2027834618.

Adding to 143222133 its reverse (331222341), we get a palindrome (474444474).

The spelling of 143222133 in words is "one hundred forty-three million, two hundred twenty-two thousand, one hundred thirty-three".