450209146 has 16 divisors (see below), whose sum is σ = 690721920. Its totient is φ = 219983040.

The previous prime is 450209129. The next prime is 450209171. The reversal of 450209146 is 641902054.

It is an unprimeable number.

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, 66226 + ... + 72706.

It is an arithmetic number, because the mean of its divisors is an integer number (43170120).

Almost surely, 2^450209146 is an apocalyptic number.

450209146 is a deficient number, since it is larger than the sum of its proper divisors (240512774).

450209146 is a wasteful number, since it uses less digits than its factorization.

450209146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 450209146 is about 21218.1324814414. The cubic root of 450209146 is about 766.4281329338.

The spelling of 450209146 in words is "four hundred fifty million, two hundred nine thousand, one hundred forty-six".