455171812 has 6 divisors (see below), whose sum is σ = 796550678. Its totient is φ = 227585904.

The previous prime is 455171807. The next prime is 455171819. The reversal of 455171812 is 218171554.

It can be written as a sum of positive squares in only one way, i.e., 413878336 + 41293476 = 20344^2 + 6426^2 .

It is not an unprimeable number, because it can be changed into a prime (455171819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56896473 + ... + 56896480.

Almost surely, 2^455171812 is an apocalyptic number.

It is an amenable number.

455171812 is a deficient number, since it is larger than the sum of its proper divisors (341378866).

455171812 is a wasteful number, since it uses less digits than its factorization.

455171812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113792957 (or 113792955 counting only the distinct ones).

The product of its digits is 11200, while the sum is 34.

The square root of 455171812 is about 21334.7559629821. The cubic root of 455171812 is about 769.2339669006.

The spelling of 455171812 in words is "four hundred fifty-five million, one hundred seventy-one thousand, eight hundred twelve".