455204231 has 4 divisors (see below), whose sum is σ = 461998392. Its totient is φ = 448410072.

The previous prime is 455204177. The next prime is 455204317. The reversal of 455204231 is 132402554.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455204231 is a prime.

It is a super-2 number, since 2×455204231² = 414421783840602722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455204231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455234231) 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, 3396980 + ... + 3397113.

It is an arithmetic number, because the mean of its divisors is an integer number (115499598).

Almost surely, 2^455204231 is an apocalyptic number.

455204231 is a deficient number, since it is larger than the sum of its proper divisors (6794161).

455204231 is an equidigital number, since it uses as much as digits as its factorization.

455204231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6794160.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 455204231 is about 21335.5157191009. The cubic root of 455204231 is about 769.2522290185.

Adding to 455204231 its reverse (132402554), we get a palindrome (587606785).

The spelling of 455204231 in words is "four hundred fifty-five million, two hundred four thousand, two hundred thirty-one".