454518189 has 32 divisors (see below), whose sum is σ = 700320000. Its totient is φ = 290993472.

The previous prime is 454518173. The next prime is 454518191. The reversal of 454518189 is 981815454.

It is a happy number.

454518189 is a `hidden beast` number, since 4 + 54 + 518 + 1 + 89 = 666.

It is not a de Polignac number, because 454518189 - 2⁴ = 454518173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454518109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154359 + ... + 157275.

It is an arithmetic number, because the mean of its divisors is an integer number (21885000).

Almost surely, 2^454518189 is an apocalyptic number.

It is an amenable number.

454518189 is a deficient number, since it is larger than the sum of its proper divisors (245801811).

454518189 is a wasteful number, since it uses less digits than its factorization.

454518189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154 (or 3148 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 454518189 is about 21319.4321922513. The cubic root of 454518189 is about 768.8655859515.

The spelling of 454518189 in words is "four hundred fifty-four million, five hundred eighteen thousand, one hundred eighty-nine".