143224117 has 2 divisors, whose sum is σ = 143224118. Its totient is φ = 143224116.

The previous prime is 143224049. The next prime is 143224121. The reversal of 143224117 is 711422341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95765796 + 47458321 = 9786^2 + 6889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143224117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143224091 and 143224100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143224177) 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 as a sum of consecutive naturals, namely, 71612058 + 71612059.

It is an arithmetic number, because the mean of its divisors is an integer number (71612059).

Almost surely, 2^143224117 is an apocalyptic number.

It is an amenable number.

143224117 is a deficient number, since it is larger than the sum of its proper divisors (1).

143224117 is an equidigital number, since it uses as much as digits as its factorization.

143224117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 143224117 is about 11967.6278769019. The cubic root of 143224117 is about 523.2051993583.

Adding to 143224117 its reverse (711422341), we get a palindrome (854646458).

It can be divided in two parts, 143224 and 117, that added together give a palindrome (143341).

The spelling of 143224117 in words is "one hundred forty-three million, two hundred twenty-four thousand, one hundred seventeen".