455767643 has 2 divisors, whose sum is σ = 455767644. Its totient is φ = 455767642.

The previous prime is 455767639. The next prime is 455767657. The reversal of 455767643 is 346767554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455767643 - 2² = 455767639 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (455767693) 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, 227883821 + 227883822.

It is an arithmetic number, because the mean of its divisors is an integer number (227883822).

Almost surely, 2^455767643 is an apocalyptic number.

455767643 is a deficient number, since it is larger than the sum of its proper divisors (1).

455767643 is an equidigital number, since it uses as much as digits as its factorization.

455767643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 47.

The square root of 455767643 is about 21348.7152540850. The cubic root of 455767643 is about 769.5694692223.

The spelling of 455767643 in words is "four hundred fifty-five million, seven hundred sixty-seven thousand, six hundred forty-three".