454166081 has 2 divisors, whose sum is σ = 454166082. Its totient is φ = 454166080.

The previous prime is 454166077. The next prime is 454166113. The reversal of 454166081 is 180661454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449058481 + 5107600 = 21191^2 + 2260^2 .

It is a cyclic number.

It is not a de Polignac number, because 454166081 - 2² = 454166077 is a prime.

It is a super-2 number, since 2×454166081² = 412533658261797122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (454166281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227083040 + 227083041.

It is an arithmetic number, because the mean of its divisors is an integer number (227083041).

Almost surely, 2^454166081 is an apocalyptic number.

It is an amenable number.

454166081 is a deficient number, since it is larger than the sum of its proper divisors (1).

454166081 is an equidigital number, since it uses as much as digits as its factorization.

454166081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 454166081 is about 21311.1726800756. The cubic root of 454166081 is about 768.6669920200. Note that the first 3 decimals are identical.

The spelling of 454166081 in words is "four hundred fifty-four million, one hundred sixty-six thousand, eighty-one".