454457947 has 2 divisors, whose sum is σ = 454457948. Its totient is φ = 454457946.

The previous prime is 454457893. The next prime is 454457959. The reversal of 454457947 is 749754454.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 454457947 - 2⁷ = 454457819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 454457947.

It is not a weakly prime, because it can be changed into another prime (454457977) 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, 227228973 + 227228974.

It is an arithmetic number, because the mean of its divisors is an integer number (227228974).

Almost surely, 2^454457947 is an apocalyptic number.

454457947 is a deficient number, since it is larger than the sum of its proper divisors (1).

454457947 is an equidigital number, since it uses as much as digits as its factorization.

454457947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 49.

The square root of 454457947 is about 21318.0193029277. The cubic root of 454457947 is about 768.8316158793.

The spelling of 454457947 in words is "four hundred fifty-four million, four hundred fifty-seven thousand, nine hundred forty-seven".