455947009 has 48 divisors (see below), whose sum is σ = 590976000. Its totient is φ = 349072416.

The previous prime is 455947007. The next prime is 455947013. The reversal of 455947009 is 900749554.

It is a happy number.

It is not a de Polignac number, because 455947009 - 2¹ = 455947007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (455947007) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 2291092 + ... + 2291290.

It is an arithmetic number, because the mean of its divisors is an integer number (12312000).

Almost surely, 2^455947009 is an apocalyptic number.

455947009 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

455947009 is a deficient number, since it is larger than the sum of its proper divisors (135028991).

455947009 is a wasteful number, since it uses less digits than its factorization.

455947009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 455947009 is about 21352.9157025452. The cubic root of 455947009 is about 769.6704099069.

The spelling of 455947009 in words is "four hundred fifty-five million, nine hundred forty-seven thousand, nine".