454046666 has 4 divisors (see below), whose sum is σ = 681070002. Its totient is φ = 227023332.

The previous prime is 454046639. The next prime is 454046731. The reversal of 454046666 is 666640454.

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

It can be written as a sum of positive squares in only one way, i.e., 453903025 + 143641 = 21305^2 + 379^2 .

It is an unprimeable number.

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, 113511665 + ... + 113511668.

Almost surely, 2^454046666 is an apocalyptic number.

454046666 is a deficient number, since it is larger than the sum of its proper divisors (227023336).

454046666 is a wasteful number, since it uses less digits than its factorization.

454046666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227023335.

The product of its (nonzero) digits is 414720, while the sum is 41.

The square root of 454046666 is about 21308.3707964734. The cubic root of 454046666 is about 768.5996169497.

The spelling of 454046666 in words is "four hundred fifty-four million, forty-six thousand, six hundred sixty-six".