450885506 has 4 divisors (see below), whose sum is σ = 676328262. Its totient is φ = 225442752.

The previous prime is 450885503. The next prime is 450885517. The reversal of 450885506 is 605588054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605588054 = 2 ⋅302794027.

It can be written as a sum of positive squares in only one way, i.e., 405659881 + 45225625 = 20141^2 + 6725^2 .

It is not an unprimeable number, because it can be changed into a prime (450885503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112721375 + ... + 112721378.

Almost surely, 2^450885506 is an apocalyptic number.

450885506 is a deficient number, since it is larger than the sum of its proper divisors (225442756).

450885506 is a wasteful number, since it uses less digits than its factorization.

450885506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225442755.

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 450885506 is about 21234.0647545401. The cubic root of 450885506 is about 766.8117486828.

The spelling of 450885506 in words is "four hundred fifty million, eight hundred eighty-five thousand, five hundred six".