455668146 has 32 divisors (see below), whose sum is σ = 1065892800. Its totient is φ = 143894880.

The previous prime is 455668141. The next prime is 455668159. The reversal of 455668146 is 641866554.

455668146 = 2411² + 2412² + ... + 2486².

455668146 is a `hidden beast` number, since 4 + 5 + 566 + 81 + 4 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (455668141) 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, 221035 + ... + 223086.

It is an arithmetic number, because the mean of its divisors is an integer number (33309150).

Almost surely, 2^455668146 is an apocalyptic number.

455668146 is an abundant number, since it is smaller than the sum of its proper divisors (610224654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455668146 is a wasteful number, since it uses less digits than its factorization.

455668146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444151 (or 444145 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 455668146 is about 21346.3848461514. The cubic root of 455668146 is about 769.5134644962.

The spelling of 455668146 in words is "four hundred fifty-five million, six hundred sixty-eight thousand, one hundred forty-six".