454555243 has 2 divisors, whose sum is σ = 454555244. Its totient is φ = 454555242.

The previous prime is 454555237. The next prime is 454555271. The reversal of 454555243 is 342555454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454555243 is a prime.

It is not a weakly prime, because it can be changed into another prime (454555223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227277621 + 227277622.

It is an arithmetic number, because the mean of its divisors is an integer number (227277622).

Almost surely, 2^454555243 is an apocalyptic number.

454555243 is a deficient number, since it is larger than the sum of its proper divisors (1).

454555243 is an equidigital number, since it uses as much as digits as its factorization.

454555243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240000, while the sum is 37.

The square root of 454555243 is about 21320.3011939325. The cubic root of 454555243 is about 768.8864789703.

The spelling of 454555243 in words is "four hundred fifty-four million, five hundred fifty-five thousand, two hundred forty-three".