454755643 has 2 divisors, whose sum is σ = 454755644. Its totient is φ = 454755642.

The previous prime is 454755607. The next prime is 454755703. The reversal of 454755643 is 346557454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454755643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 454755643.

It is not a weakly prime, because it can be changed into another prime (454755043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227377821 + 227377822.

It is an arithmetic number, because the mean of its divisors is an integer number (227377822).

Almost surely, 2^454755643 is an apocalyptic number.

454755643 is a deficient number, since it is larger than the sum of its proper divisors (1).

454755643 is an equidigital number, since it uses as much as digits as its factorization.

454755643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 43.

The square root of 454755643 is about 21325.0004220399. Note that the first 3 decimals coincide. The cubic root of 454755643 is about 768.9994554930. Note that the first 3 decimals are identical.

The spelling of 454755643 in words is "four hundred fifty-four million, seven hundred fifty-five thousand, six hundred forty-three".