143434243 has 4 divisors (see below), whose sum is σ = 143825440. Its totient is φ = 143043048.

The previous prime is 143434231. The next prime is 143434273. The reversal of 143434243 is 342434341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342434341 = 2347 ⋅145903.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143434243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143434273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195048 + ... + 195781.

It is an arithmetic number, because the mean of its divisors is an integer number (35956360).

Almost surely, 2^143434243 is an apocalyptic number.

143434243 is a deficient number, since it is larger than the sum of its proper divisors (391197).

143434243 is an equidigital number, since it uses as much as digits as its factorization.

143434243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391196.

The product of its digits is 13824, while the sum is 28.

The square root of 143434243 is about 11976.4035920639. The cubic root of 143434243 is about 523.4609414253.

Adding to 143434243 its reverse (342434341), we get a palindrome (485868584).

The spelling of 143434243 in words is "one hundred forty-three million, four hundred thirty-four thousand, two hundred forty-three".