455545451 has 4 divisors (see below), whose sum is σ = 460055904. Its totient is φ = 451035000.

The previous prime is 455545423. The next prime is 455545537. The reversal of 455545451 is 154545554.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455545451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455545411) 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, 2255075 + ... + 2255276.

It is an arithmetic number, because the mean of its divisors is an integer number (115013976).

Almost surely, 2^455545451 is an apocalyptic number.

455545451 is a deficient number, since it is larger than the sum of its proper divisors (4510453).

455545451 is a wasteful number, since it uses less digits than its factorization.

455545451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510452.

The product of its digits is 200000, while the sum is 38.

The square root of 455545451 is about 21343.5107468289. The cubic root of 455545451 is about 769.4443908872. Note that the first 3 decimals are identical.

The spelling of 455545451 in words is "four hundred fifty-five million, five hundred forty-five thousand, four hundred fifty-one".