455135223 has 4 divisors (see below), whose sum is σ = 606846968. Its totient is φ = 303423480.

The previous prime is 455135183. The next prime is 455135249. The reversal of 455135223 is 322531554.

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

It is not a de Polignac number, because 455135223 - 2⁶ = 455135159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455135323) 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, 75855868 + ... + 75855873.

It is an arithmetic number, because the mean of its divisors is an integer number (151711742).

Almost surely, 2^455135223 is an apocalyptic number.

455135223 is a deficient number, since it is larger than the sum of its proper divisors (151711745).

455135223 is a wasteful number, since it uses less digits than its factorization.

455135223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151711744.

The product of its digits is 18000, while the sum is 30.

The square root of 455135223 is about 21333.8984482443. The cubic root of 455135223 is about 769.2133547163.

Adding to 455135223 its reverse (322531554), we get a palindrome (777666777).

The spelling of 455135223 in words is "four hundred fifty-five million, one hundred thirty-five thousand, two hundred twenty-three".