143224133 has 8 divisors (see below), whose sum is σ = 163314648. Its totient is φ = 124429824.

The previous prime is 143224121. The next prime is 143224139. The reversal of 143224133 is 331422341.

It can be written as a sum of positive squares in 4 ways, for example, as 134689 + 143089444 = 367^2 + 11962^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143224133 - 2⁴ = 143224117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143224099 and 143224108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143224139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323816 + ... + 324257.

It is an arithmetic number, because the mean of its divisors is an integer number (20414331).

Almost surely, 2^143224133 is an apocalyptic number.

143224133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143224133 is a deficient number, since it is larger than the sum of its proper divisors (20090515).

143224133 is a wasteful number, since it uses less digits than its factorization.

143224133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648103.

The product of its digits is 1728, while the sum is 23.

The square root of 143224133 is about 11967.6285453719. The cubic root of 143224133 is about 523.2052188412.

Adding to 143224133 its reverse (331422341), we get a palindrome (474646474).

The spelling of 143224133 in words is "one hundred forty-three million, two hundred twenty-four thousand, one hundred thirty-three".