450243982 has 4 divisors (see below), whose sum is σ = 675365976. Its totient is φ = 225121990.

The previous prime is 450243947. The next prime is 450244033. The reversal of 450243982 is 289342054.

It is a happy number.

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

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, 112560994 + ... + 112560997.

It is an arithmetic number, because the mean of its divisors is an integer number (168841494).

Almost surely, 2^450243982 is an apocalyptic number.

450243982 is a deficient number, since it is larger than the sum of its proper divisors (225121994).

450243982 is a wasteful number, since it uses less digits than its factorization.

450243982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225121993.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 450243982 is about 21218.9533672139. The cubic root of 450243982 is about 766.4479004886.

It can be divided in two parts, 4502 and 43982, that added together give a palindrome (48484).

The spelling of 450243982 in words is "four hundred fifty million, two hundred forty-three thousand, nine hundred eighty-two".