450544542 has 16 divisors (see below), whose sum is σ = 1029816192. Its totient is φ = 128727000.

The previous prime is 450544529. The next prime is 450544543. The reversal of 450544542 is 245445054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450544543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5363584 + ... + 5363667.

It is an arithmetic number, because the mean of its divisors is an integer number (64363512).

Almost surely, 2^450544542 is an apocalyptic number.

450544542 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

450544542 is an abundant number, since it is smaller than the sum of its proper divisors (579271650).

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

450544542 is a wasteful number, since it uses less digits than its factorization.

450544542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10727263.

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 450544542 is about 21226.0345330917. The cubic root of 450544542 is about 766.6184097750.

Adding to 450544542 its reverse (245445054), we get a palindrome (695989596).

The spelling of 450544542 in words is "four hundred fifty million, five hundred forty-four thousand, five hundred forty-two".