455641 has 4 divisors (see below), whose sum is σ = 464292. Its totient is φ = 446992.

The previous prime is 455627. The next prime is 455647. The reversal of 455641 is 146554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146554 = 2 ⋅73277.

It can be written as a sum of positive squares in 2 ways, for example, as 326041 + 129600 = 571^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 455641 - 2⁷ = 455513 is a prime.

It is a Duffinian number.

455641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (455647) 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 3 ways as a sum of consecutive naturals, for example, 4246 + ... + 4351.

It is an arithmetic number, because the mean of its divisors is an integer number (116073).

2⁴⁵⁵⁶⁴¹ is an apocalyptic number.

It is an amenable number.

455641 is a deficient number, since it is larger than the sum of its proper divisors (8651).

455641 is an equidigital number, since it uses as much as digits as its factorization.

455641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8650.

The product of its digits is 2400, while the sum is 25.

The square root of 455641 is about 675.0118517478. The cubic root of 455641 is about 76.9498183180.

The spelling of 455641 in words is "four hundred fifty-five thousand, six hundred forty-one".