454665229 has 2 divisors, whose sum is σ = 454665230. Its totient is φ = 454665228.

The previous prime is 454665227. The next prime is 454665257. The reversal of 454665229 is 922566454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340218025 + 114447204 = 18445^2 + 10698^2 .

It is a cyclic number.

It is not a de Polignac number, because 454665229 - 2¹ = 454665227 is a prime.

Together with 454665227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454665227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227332614 + 227332615.

It is an arithmetic number, because the mean of its divisors is an integer number (227332615).

Almost surely, 2^454665229 is an apocalyptic number.

It is an amenable number.

454665229 is a deficient number, since it is larger than the sum of its proper divisors (1).

454665229 is an equidigital number, since it uses as much as digits as its factorization.

454665229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 43.

The square root of 454665229 is about 21322.8804104886. The cubic root of 454665229 is about 768.9484882492.

The spelling of 454665229 in words is "four hundred fifty-four million, six hundred sixty-five thousand, two hundred twenty-nine".