455240609 has 4 divisors (see below), whose sum is σ = 455421204. Its totient is φ = 455060016.

The previous prime is 455240593. The next prime is 455240683. The reversal of 455240609 is 906042554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 906042554 = 2 ⋅453021277.

It can be written as a sum of positive squares in 2 ways, for example, as 223592209 + 231648400 = 14953^2 + 15220^2 .

It is a cyclic number.

It is not a de Polignac number, because 455240609 - 2⁴ = 455240593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455246609) 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, 86462 + ... + 91575.

It is an arithmetic number, because the mean of its divisors is an integer number (113855301).

Almost surely, 2^455240609 is an apocalyptic number.

It is an amenable number.

455240609 is a deficient number, since it is larger than the sum of its proper divisors (180595).

455240609 is a wasteful number, since it uses less digits than its factorization.

455240609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180594.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 455240609 is about 21336.3682242316. The cubic root of 455240609 is about 769.2727202693.

The spelling of 455240609 in words is "four hundred fifty-five million, two hundred forty thousand, six hundred nine".