455716985 has 8 divisors (see below), whose sum is σ = 547309896. Its totient is φ = 364273920.

The previous prime is 455716973. The next prime is 455716993. The reversal of 455716985 is 589617554.

It can be written as a sum of positive squares in 4 ways, for example, as 22202944 + 433514041 = 4712^2 + 20821^2 .

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

It is not a de Polignac number, because 455716985 - 2⁴ = 455716969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30656 + ... + 43025.

It is an arithmetic number, because the mean of its divisors is an integer number (68413737).

Almost surely, 2^455716985 is an apocalyptic number.

It is an amenable number.

455716985 is a deficient number, since it is larger than the sum of its proper divisors (91592911).

455716985 is a wasteful number, since it uses less digits than its factorization.

455716985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74923.

The product of its digits is 1512000, while the sum is 50.

The square root of 455716985 is about 21347.5287796972. The cubic root of 455716985 is about 769.5409559398.

The spelling of 455716985 in words is "four hundred fifty-five million, seven hundred sixteen thousand, nine hundred eighty-five".