455945321 has 16 divisors (see below), whose sum is σ = 520732800. Its totient is φ = 395482368.

The previous prime is 455945317. The next prime is 455945327. The reversal of 455945321 is 123549554.

It is a cyclic number.

It is not a de Polignac number, because 455945321 - 2² = 455945317 is a prime.

It is a super-2 number, since 2×455945321² = 415772271483586082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455945327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184190 + ... + 186648.

It is an arithmetic number, because the mean of its divisors is an integer number (32545800).

Almost surely, 2^455945321 is an apocalyptic number.

It is an amenable number.

455945321 is a deficient number, since it is larger than the sum of its proper divisors (64787479).

455945321 is a wasteful number, since it uses less digits than its factorization.

455945321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328.

The product of its digits is 108000, while the sum is 38.

The square root of 455945321 is about 21352.8761762906. The cubic root of 455945321 is about 769.6694600851.

The spelling of 455945321 in words is "four hundred fifty-five million, nine hundred forty-five thousand, three hundred twenty-one".