450055129 has 2 divisors, whose sum is σ = 450055130. Its totient is φ = 450055128.

The previous prime is 450055097. The next prime is 450055139. The reversal of 450055129 is 921550054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240963529 + 209091600 = 15523^2 + 14460^2 .

It is a cyclic number.

It is not a de Polignac number, because 450055129 - 2⁵ = 450055097 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450055129.

It is not a weakly prime, because it can be changed into another prime (450055139) 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, 225027564 + 225027565.

It is an arithmetic number, because the mean of its divisors is an integer number (225027565).

Almost surely, 2^450055129 is an apocalyptic number.

It is an amenable number.

450055129 is a deficient number, since it is larger than the sum of its proper divisors (1).

450055129 is an equidigital number, since it uses as much as digits as its factorization.

450055129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 450055129 is about 21214.5027987931. The cubic root of 450055129 is about 766.3407243548.

The spelling of 450055129 in words is "four hundred fifty million, fifty-five thousand, one hundred twenty-nine".