243545483 has 2 divisors, whose sum is σ = 243545484. Its totient is φ = 243545482.

The previous prime is 243545473. The next prime is 243545503. The reversal of 243545483 is 384545342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243545483 - 2⁸ = 243545227 is a prime.

It is a super-3 number, since 3×243545483³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (243545443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121772741 + 121772742.

It is an arithmetic number, because the mean of its divisors is an integer number (121772742).

Almost surely, 2^243545483 is an apocalyptic number.

243545483 is a deficient number, since it is larger than the sum of its proper divisors (1).

243545483 is an equidigital number, since it uses as much as digits as its factorization.

243545483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 38.

The square root of 243545483 is about 15605.9438356032. The cubic root of 243545483 is about 624.4917322676.

The spelling of 243545483 in words is "two hundred forty-three million, five hundred forty-five thousand, four hundred eighty-three".