454106218 has 4 divisors (see below), whose sum is σ = 681159330. Its totient is φ = 227053108.

The previous prime is 454106183. The next prime is 454106221. The reversal of 454106218 is 812601454.

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., 437353569 + 16752649 = 20913^2 + 4093^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 454106218.

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, 113526553 + ... + 113526556.

Almost surely, 2^454106218 is an apocalyptic number.

454106218 is a deficient number, since it is larger than the sum of its proper divisors (227053112).

454106218 is a wasteful number, since it uses less digits than its factorization.

454106218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227053111.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 454106218 is about 21309.7681357635. The cubic root of 454106218 is about 768.6332182267.

The spelling of 454106218 in words is "four hundred fifty-four million, one hundred six thousand, two hundred eighteen".