143111225 has 12 divisors (see below), whose sum is σ = 177635580. Its totient is φ = 114374400.

The previous prime is 143111207. The next prime is 143111233. The reversal of 143111225 is 522111341.

It can be written as a sum of positive squares in 6 ways, for example, as 141376 + 142969849 = 376^2 + 11957^2 .

It is not a de Polignac number, because 143111225 - 2⁶ = 143111161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143111197 and 143111206.

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 11 ways as a sum of consecutive naturals, for example, 30005 + ... + 34445.

It is an arithmetic number, because the mean of its divisors is an integer number (14802965).

Almost surely, 2^143111225 is an apocalyptic number.

It is an amenable number.

143111225 is a deficient number, since it is larger than the sum of its proper divisors (34524355).

143111225 is a wasteful number, since it uses less digits than its factorization.

143111225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740 (or 5735 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 143111225 is about 11962.9103900347. The cubic root of 143111225 is about 523.0676964286.

Adding to 143111225 its reverse (522111341), we get a palindrome (665222566).

The spelling of 143111225 in words is "one hundred forty-three million, one hundred eleven thousand, two hundred twenty-five".