143227346 has 24 divisors (see below), whose sum is σ = 235640340. Its totient is φ = 65063936.

The previous prime is 143227321. The next prime is 143227351. The reversal of 143227346 is 643722341.

It can be written as a sum of positive squares in 6 ways, for example, as 93876721 + 49350625 = 9689^2 + 7025^2 .

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 11 ways as a sum of consecutive naturals, for example, 26090 + ... + 31098.

Almost surely, 2^143227346 is an apocalyptic number.

143227346 is a deficient number, since it is larger than the sum of its proper divisors (92412994).

143227346 is a wasteful number, since it uses less digits than its factorization.

143227346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086 (or 5057 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 143227346 is about 11967.7627817400. The cubic root of 143227346 is about 523.2091312308.

Adding to 143227346 its reverse (643722341), we get a palindrome (786949687).

The spelling of 143227346 in words is "one hundred forty-three million, two hundred twenty-seven thousand, three hundred forty-six".