454668161 has 2 divisors, whose sum is σ = 454668162. Its totient is φ = 454668160.

The previous prime is 454668143. The next prime is 454668169. The reversal of 454668161 is 161866454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423083761 + 31584400 = 20569^2 + 5620^2 .

It is a cyclic number.

It is not a de Polignac number, because 454668161 - 2¹⁴ = 454651777 is a prime.

It is not a weakly prime, because it can be changed into another prime (454668169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227334080 + 227334081.

It is an arithmetic number, because the mean of its divisors is an integer number (227334081).

Almost surely, 2^454668161 is an apocalyptic number.

It is an amenable number.

454668161 is a deficient number, since it is larger than the sum of its proper divisors (1).

454668161 is an equidigital number, since it uses as much as digits as its factorization.

454668161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 41.

The square root of 454668161 is about 21322.9491628152. The cubic root of 454668161 is about 768.9501411519.

The spelling of 454668161 in words is "four hundred fifty-four million, six hundred sixty-eight thousand, one hundred sixty-one".