143343231 has 8 divisors (see below), whose sum is σ = 191945520. Its totient is φ = 95151552.

The previous prime is 143343181. The next prime is 143343247. The reversal of 143343231 is 132343341.

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

It is not a de Polignac number, because 143343231 - 2¹⁷ = 143212159 is a prime.

It is a super-2 number, since 2×143343231² = 41094563747038722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143343631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101836 + ... + 103233.

It is an arithmetic number, because the mean of its divisors is an integer number (23993190).

Almost surely, 2^143343231 is an apocalyptic number.

143343231 is a deficient number, since it is larger than the sum of its proper divisors (48602289).

143343231 is a wasteful number, since it uses less digits than its factorization.

143343231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205305.

The product of its digits is 2592, while the sum is 24.

The square root of 143343231 is about 11972.6033509843. The cubic root of 143343231 is about 523.3502023944.

Adding to 143343231 its reverse (132343341), we get a palindrome (275686572).

The spelling of 143343231 in words is "one hundred forty-three million, three hundred forty-three thousand, two hundred thirty-one".