451552243 has 6 divisors (see below), whose sum is σ = 467660804. Its totient is φ = 435980664.

The previous prime is 451552207. The next prime is 451552273. The reversal of 451552243 is 342255154.

It is not a de Polignac number, because 451552243 - 2⁹ = 451551731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451552273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 267621 + ... + 269302.

Almost surely, 2^451552243 is an apocalyptic number.

451552243 is a deficient number, since it is larger than the sum of its proper divisors (16108561).

451552243 is an equidigital number, since it uses as much as digits as its factorization.

451552243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536981 (or 536952 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 451552243 is about 21249.7586574530. The cubic root of 451552243 is about 767.1895311865.

The spelling of 451552243 in words is "four hundred fifty-one million, five hundred fifty-two thousand, two hundred forty-three".