450338129 has 8 divisors (see below), whose sum is σ = 466392360. Its totient is φ = 434318976.

The previous prime is 450338123. The next prime is 450338149. The reversal of 450338129 is 921833054.

It can be written as a sum of positive squares in 4 ways, for example, as 21641104 + 428697025 = 4652^2 + 20705^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450338129 - 2⁴ = 450338113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450338123) 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 7 ways as a sum of consecutive naturals, for example, 18887 + ... + 35459.

It is an arithmetic number, because the mean of its divisors is an integer number (58299045).

Almost surely, 2^450338129 is an apocalyptic number.

It is an amenable number.

450338129 is a deficient number, since it is larger than the sum of its proper divisors (16054231).

450338129 is a wasteful number, since it uses less digits than its factorization.

450338129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17539.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 450338129 is about 21221.1717160010. The cubic root of 450338129 is about 766.5013187421.

The spelling of 450338129 in words is "four hundred fifty million, three hundred thirty-eight thousand, one hundred twenty-nine".