143225234 has 4 divisors (see below), whose sum is σ = 214837854. Its totient is φ = 71612616.

The previous prime is 143225233. The next prime is 143225263. The reversal of 143225234 is 432522341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 143161225 + 64009 = 11965^2 + 253^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (143225233) 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 as a sum of consecutive naturals, namely, 35806307 + ... + 35806310.

Almost surely, 2^143225234 is an apocalyptic number.

143225234 is a deficient number, since it is larger than the sum of its proper divisors (71612620).

143225234 is an equidigital number, since it uses as much as digits as its factorization.

143225234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71612619.

The product of its digits is 5760, while the sum is 26.

The square root of 143225234 is about 11967.6745443716. The cubic root of 143225234 is about 523.2065595079.

Adding to 143225234 its reverse (432522341), we get a palindrome (575747575).

The spelling of 143225234 in words is "one hundred forty-three million, two hundred twenty-five thousand, two hundred thirty-four".