450343442 has 4 divisors (see below), whose sum is σ = 675515166. Its totient is φ = 225171720.

The previous prime is 450343441. The next prime is 450343463. The reversal of 450343442 is 244343054.

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., 449906521 + 436921 = 21211^2 + 661^2 .

It is not an unprimeable number, because it can be changed into a prime (450343441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112585859 + ... + 112585862.

Almost surely, 2^450343442 is an apocalyptic number.

450343442 is a deficient number, since it is larger than the sum of its proper divisors (225171724).

450343442 is a wasteful number, since it uses less digits than its factorization.

450343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225171723.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 450343442 is about 21221.2968972210. The cubic root of 450343442 is about 766.5043330738.

Adding to 450343442 its reverse (244343054), we get a palindrome (694686496).

The spelling of 450343442 in words is "four hundred fifty million, three hundred forty-three thousand, four hundred forty-two".