451455229 has 2 divisors, whose sum is σ = 451455230. Its totient is φ = 451455228.

The previous prime is 451455211. The next prime is 451455253. The reversal of 451455229 is 922554154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337456900 + 113998329 = 18370^2 + 10677^2 .

It is a cyclic number.

It is not a de Polignac number, because 451455229 - 2¹³ = 451447037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451455289) 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 as a sum of consecutive naturals, namely, 225727614 + 225727615.

It is an arithmetic number, because the mean of its divisors is an integer number (225727615).

Almost surely, 2^451455229 is an apocalyptic number.

It is an amenable number.

451455229 is a deficient number, since it is larger than the sum of its proper divisors (1).

451455229 is an equidigital number, since it uses as much as digits as its factorization.

451455229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 37.

The square root of 451455229 is about 21247.4758265541. The cubic root of 451455229 is about 767.1345848267.

The spelling of 451455229 in words is "four hundred fifty-one million, four hundred fifty-five thousand, two hundred twenty-nine".