450451242 has 12 divisors (see below), whose sum is σ = 975977730. Its totient is φ = 150150408.

The previous prime is 450451231. The next prime is 450451247. The reversal of 450451242 is 242154054.

It can be written as a sum of positive squares in only one way, i.e., 443902761 + 6548481 = 21069^2 + 2559^2 .

It is not an unprimeable number, because it can be changed into a prime (450451247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12512517 + ... + 12512552.

Almost surely, 2^450451242 is an apocalyptic number.

450451242 is an abundant number, since it is smaller than the sum of its proper divisors (525526488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450451242 is a wasteful number, since it uses less digits than its factorization.

450451242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25025077 (or 25025074 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 450451242 is about 21223.8366465632. The cubic root of 450451242 is about 766.5654883072.

The spelling of 450451242 in words is "four hundred fifty million, four hundred fifty-one thousand, two hundred forty-two".