450304042 has 4 divisors (see below), whose sum is σ = 675456066. Its totient is φ = 225152020.

The previous prime is 450304037. The next prime is 450304061. The reversal of 450304042 is 240403054.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 450245961 + 58081 = 21219^2 + 241^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112576009 + ... + 112576012.

Almost surely, 2^450304042 is an apocalyptic number.

450304042 is a deficient number, since it is larger than the sum of its proper divisors (225152024).

450304042 is a wasteful number, since it uses less digits than its factorization.

450304042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225152023.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 450304042 is about 21220.3685641885. The cubic root of 450304042 is about 766.4819789113.

Adding to 450304042 its reverse (240403054), we get a palindrome (690707096).

The spelling of 450304042 in words is "four hundred fifty million, three hundred four thousand, forty-two".