450145235227 has 4 divisors (see below), whose sum is σ = 455568671880. Its totient is φ = 444721798576.

The previous prime is 450145235203. The next prime is 450145235257. The reversal of 450145235227 is 722532541054.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450145235227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450145235227.

It is not an unprimeable number, because it can be changed into a prime (450145235257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2711718202 + ... + 2711718367.

It is an arithmetic number, because the mean of its divisors is an integer number (113892167970).

Almost surely, 2^450145235227 is an apocalyptic number.

450145235227 is a deficient number, since it is larger than the sum of its proper divisors (5423436653).

450145235227 is an equidigital number, since it uses as much as digits as its factorization.

450145235227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423436652.

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 450145235227 in words is "four hundred fifty billion, one hundred forty-five million, two hundred thirty-five thousand, two hundred twenty-seven".