450245547 has 20 divisors (see below), whose sum is σ = 685285920. Its totient is φ = 294497424.

The previous prime is 450245507. The next prime is 450245597. The reversal of 450245547 is 745542054.

It is a happy number.

It is not a de Polignac number, because 450245547 - 2¹⁰ = 450244523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450245507) 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 19 ways as a sum of consecutive naturals, for example, 48147 + ... + 56732.

It is an arithmetic number, because the mean of its divisors is an integer number (34264296).

Almost surely, 2^450245547 is an apocalyptic number.

450245547 is a deficient number, since it is larger than the sum of its proper divisors (235040373).

450245547 is a wasteful number, since it uses less digits than its factorization.

450245547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104944 (or 104935 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 450245547 is about 21218.9902445899. The cubic root of 450245547 is about 766.4487885179.

The spelling of 450245547 in words is "four hundred fifty million, two hundred forty-five thousand, five hundred forty-seven".