455281285 has 4 divisors (see below), whose sum is σ = 546337548. Its totient is φ = 364225024.

The previous prime is 455281279. The next prime is 455281313. The reversal of 455281285 is 582182554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56520324 + 398760961 = 7518^2 + 19969^2 .

It is a cyclic number.

It is not a de Polignac number, because 455281285 - 2¹⁵ = 455248517 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45528124 + ... + 45528133.

It is an arithmetic number, because the mean of its divisors is an integer number (136584387).

Almost surely, 2^455281285 is an apocalyptic number.

It is an amenable number.

455281285 is a deficient number, since it is larger than the sum of its proper divisors (91056263).

455281285 is an equidigital number, since it uses as much as digits as its factorization.

455281285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91056262.

The product of its digits is 128000, while the sum is 40.

The square root of 455281285 is about 21337.3214110863. The cubic root of 455281285 is about 769.2956312345.

The spelling of 455281285 in words is "four hundred fifty-five million, two hundred eighty-one thousand, two hundred eighty-five".