455730213 has 8 divisors (see below), whose sum is σ = 608860000. Its totient is φ = 303210288.

The previous prime is 455730151. The next prime is 455730239. The reversal of 455730213 is 312037554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 455730213 - 2¹⁰ = 455729189 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 (455750213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150718 + ... + 153711.

It is an arithmetic number, because the mean of its divisors is an integer number (76107500).

Almost surely, 2^455730213 is an apocalyptic number.

It is an amenable number.

455730213 is a deficient number, since it is larger than the sum of its proper divisors (153129787).

455730213 is a wasteful number, since it uses less digits than its factorization.

455730213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304931.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 455730213 is about 21347.8386025377. The cubic root of 455730213 is about 769.5484016350.

Adding to 455730213 its reverse (312037554), we get a palindrome (767767767).

The spelling of 455730213 in words is "four hundred fifty-five million, seven hundred thirty thousand, two hundred thirteen".