454478289 has 32 divisors (see below), whose sum is σ = 662484096. Its totient is φ = 275973120.

The previous prime is 454478287. The next prime is 454478291. The reversal of 454478289 is 982874454.

It is an interprime number because it is at equal distance from previous prime (454478287) and next prime (454478291).

It is not a de Polignac number, because 454478289 - 2¹ = 454478287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (454478281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427819 + ... + 428879.

It is an arithmetic number, because the mean of its divisors is an integer number (20702628).

Almost surely, 2^454478289 is an apocalyptic number.

It is an amenable number.

454478289 is a deficient number, since it is larger than the sum of its proper divisors (208005807).

454478289 is a wasteful number, since it uses less digits than its factorization.

454478289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

The product of its digits is 2580480, while the sum is 51.

The square root of 454478289 is about 21318.4964057037. The cubic root of 454478289 is about 768.8430869365.

The spelling of 454478289 in words is "four hundred fifty-four million, four hundred seventy-eight thousand, two hundred eighty-nine".