200405145443 has 2 divisors, whose sum is σ = 200405145444. Its totient is φ = 200405145442.

The previous prime is 200405145373. The next prime is 200405145463. The reversal of 200405145443 is 344541504002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200405145443 - 2³⁰ = 199331403619 is a prime.

It is not a weakly prime, because it can be changed into another prime (200405145463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100202572721 + 100202572722.

It is an arithmetic number, because the mean of its divisors is an integer number (100202572722).

Almost surely, 2^200405145443 is an apocalyptic number.

200405145443 is a deficient number, since it is larger than the sum of its proper divisors (1).

200405145443 is an equidigital number, since it uses as much as digits as its factorization.

200405145443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 200405145443 its reverse (344541504002), we get a palindrome (544946649445).

The spelling of 200405145443 in words is "two hundred billion, four hundred five million, one hundred forty-five thousand, four hundred forty-three".