455085745 has 4 divisors (see below), whose sum is σ = 546102900. Its totient is φ = 364068592.

The previous prime is 455085721. The next prime is 455085749. The reversal of 455085745 is 547580554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547580554 = 2 ⋅273790277.

It can be written as a sum of positive squares in 2 ways, for example, as 346592689 + 108493056 = 18617^2 + 10416^2 .

It is a cyclic number.

It is not a de Polignac number, because 455085745 - 2⁹ = 455085233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (455085749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45508570 + ... + 45508579.

It is an arithmetic number, because the mean of its divisors is an integer number (136525725).

Almost surely, 2^455085745 is an apocalyptic number.

It is an amenable number.

455085745 is a deficient number, since it is larger than the sum of its proper divisors (91017155).

455085745 is an equidigital number, since it uses as much as digits as its factorization.

455085745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91017154.

The product of its (nonzero) digits is 560000, while the sum is 43.

The square root of 455085745 is about 21332.7388068199. The cubic root of 455085745 is about 769.1854798374.

The spelling of 455085745 in words is "four hundred fifty-five million, eighty-five thousand, seven hundred forty-five".