143430243 has 16 divisors (see below), whose sum is σ = 212564736. Its totient is φ = 85286240.

The previous prime is 143430223. The next prime is 143430247. The reversal of 143430243 is 342034341.

It is a cyclic number.

It is not a de Polignac number, because 143430243 - 2²² = 139235939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143430247) 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 in 15 ways as a sum of consecutive naturals, for example, 39255 + ... + 42752.

It is an arithmetic number, because the mean of its divisors is an integer number (13285296).

Almost surely, 2^143430243 is an apocalyptic number.

143430243 is a deficient number, since it is larger than the sum of its proper divisors (69134493).

143430243 is a wasteful number, since it uses less digits than its factorization.

143430243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82074.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 143430243 is about 11976.2365958593. The cubic root of 143430243 is about 523.4560754017.

Adding to 143430243 its reverse (342034341), we get a palindrome (485464584).

The spelling of 143430243 in words is "one hundred forty-three million, four hundred thirty thousand, two hundred forty-three".