454106665 has 4 divisors (see below), whose sum is σ = 544928004. Its totient is φ = 363285328.

The previous prime is 454106663. The next prime is 454106671. The reversal of 454106665 is 566601454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123921424 + 330185241 = 11132^2 + 18171^2 .

It is a cyclic number.

It is not a de Polignac number, because 454106665 - 2¹ = 454106663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454106663) 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 in 3 ways as a sum of consecutive naturals, for example, 45410662 + ... + 45410671.

It is an arithmetic number, because the mean of its divisors is an integer number (136232001).

Almost surely, 2^454106665 is an apocalyptic number.

It is an amenable number.

454106665 is a deficient number, since it is larger than the sum of its proper divisors (90821339).

454106665 is an equidigital number, since it uses as much as digits as its factorization.

454106665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90821338.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 454106665 is about 21309.7786239088. The cubic root of 454106665 is about 768.6334704283.

The spelling of 454106665 in words is "four hundred fifty-four million, one hundred six thousand, six hundred sixty-five".