450648238 has 4 divisors (see below), whose sum is σ = 675972360. Its totient is φ = 225324118.

The previous prime is 450648227. The next prime is 450648259. The reversal of 450648238 is 832846054.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 450648238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112662058 + ... + 112662061.

It is an arithmetic number, because the mean of its divisors is an integer number (168993090).

Almost surely, 2^450648238 is an apocalyptic number.

450648238 is a deficient number, since it is larger than the sum of its proper divisors (225324122).

450648238 is a wasteful number, since it uses less digits than its factorization.

450648238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225324121.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 450648238 is about 21228.4770532415. The cubic root of 450648238 is about 766.6772194725.

The spelling of 450648238 in words is "four hundred fifty million, six hundred forty-eight thousand, two hundred thirty-eight".