455718047 has 2 divisors, whose sum is σ = 455718048. Its totient is φ = 455718046.

The previous prime is 455718019. The next prime is 455718071. The reversal of 455718047 is 740817554.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455718047 is a prime.

It is a super-2 number, since 2×455718047² = 415357876722988418, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 455717995 and 455718013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455718017) 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, 227859023 + 227859024.

It is an arithmetic number, because the mean of its divisors is an integer number (227859024).

Almost surely, 2^455718047 is an apocalyptic number.

455718047 is a deficient number, since it is larger than the sum of its proper divisors (1).

455718047 is an equidigital number, since it uses as much as digits as its factorization.

455718047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 455718047 is about 21347.5536537562. The cubic root of 455718047 is about 769.5415537172.

The spelling of 455718047 in words is "four hundred fifty-five million, seven hundred eighteen thousand, forty-seven".