454442543 has 2 divisors, whose sum is σ = 454442544. Its totient is φ = 454442542.

The previous prime is 454442519. The next prime is 454442561. The reversal of 454442543 is 345244454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454442543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454442243) 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 as a sum of consecutive naturals, namely, 227221271 + 227221272.

It is an arithmetic number, because the mean of its divisors is an integer number (227221272).

Almost surely, 2^454442543 is an apocalyptic number.

454442543 is a deficient number, since it is larger than the sum of its proper divisors (1).

454442543 is an equidigital number, since it uses as much as digits as its factorization.

454442543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153600, while the sum is 35.

The square root of 454442543 is about 21317.6580092655. The cubic root of 454442543 is about 768.8229291818.

Adding to 454442543 its reverse (345244454), we get a palindrome (799686997).

The spelling of 454442543 in words is "four hundred fifty-four million, four hundred forty-two thousand, five hundred forty-three".