455278609 has 8 divisors (see below), whose sum is σ = 461643840. Its totient is φ = 448950000.

The previous prime is 455278597. The next prime is 455278669. The reversal of 455278609 is 906872554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 455278609 - 2⁹ = 455278097 is a prime.

It is a super-2 number, since 2×455278609² = 414557223625949762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455278669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16372 + ... + 34330.

It is an arithmetic number, because the mean of its divisors is an integer number (57705480).

Almost surely, 2^455278609 is an apocalyptic number.

It is an amenable number.

455278609 is a deficient number, since it is larger than the sum of its proper divisors (6365231).

455278609 is a wasteful number, since it uses less digits than its factorization.

455278609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18311.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 455278609 is about 21337.2587039666. The cubic root of 455278609 is about 769.2941240057.

The spelling of 455278609 in words is "four hundred fifty-five million, two hundred seventy-eight thousand, six hundred nine".