454239189 has 12 divisors (see below), whose sum is σ = 656311500. Its totient is φ = 302739264.

The previous prime is 454239173. The next prime is 454239197. The reversal of 454239189 is 981932454.

454239189 is a `hidden beast` number, since 45 + 423 + 9 + 189 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 254243025 + 199996164 = 15945^2 + 14142^2 .

It is not a de Polignac number, because 454239189 - 2⁴ = 454239173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454239119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48327 + ... + 56955.

It is an arithmetic number, because the mean of its divisors is an integer number (54692625).

Almost surely, 2^454239189 is an apocalyptic number.

It is an amenable number.

454239189 is a deficient number, since it is larger than the sum of its proper divisors (202072311).

454239189 is a wasteful number, since it uses less digits than its factorization.

454239189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14484 (or 14481 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 454239189 is about 21312.8878615733. The cubic root of 454239189 is about 768.7082344155.

The spelling of 454239189 in words is "four hundred fifty-four million, two hundred thirty-nine thousand, one hundred eighty-nine".