450541242 has 48 divisors (see below), whose sum is σ = 1050582312. Its totient is φ = 139023360.

The previous prime is 450541237. The next prime is 450541249. The reversal of 450541242 is 242145054.

It can be written as a sum of positive squares in 4 ways, for example, as 368294481 + 82246761 = 19191^2 + 9069^2 .

It is not an unprimeable number, because it can be changed into a prime (450541249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6598 + ... + 30734.

Almost surely, 2^450541242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450541242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525291156).

450541242 is an abundant number, since it is smaller than the sum of its proper divisors (600041070).

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

450541242 is a wasteful number, since it uses less digits than its factorization.

450541242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24223 (or 24220 counting only the distinct ones).

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

The square root of 450541242 is about 21225.9567982223. The cubic root of 450541242 is about 766.6165380793.

Adding to 450541242 its reverse (242145054), we get a palindrome (692686296).

The spelling of 450541242 in words is "four hundred fifty million, five hundred forty-one thousand, two hundred forty-two".