450145785 has 16 divisors (see below), whose sum is σ = 725907456. Its totient is φ = 238186368.

The previous prime is 450145781. The next prime is 450145819. The reversal of 450145785 is 587541054.

It is not a de Polignac number, because 450145785 - 2² = 450145781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450145781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116244 + ... + 120053.

It is an arithmetic number, because the mean of its divisors is an integer number (45369216).

Almost surely, 2^450145785 is an apocalyptic number.

It is an amenable number.

450145785 is a deficient number, since it is larger than the sum of its proper divisors (275761671).

450145785 is a wasteful number, since it uses less digits than its factorization.

450145785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236432.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 450145785 is about 21216.6393427423. The cubic root of 450145785 is about 766.3921763629.

The spelling of 450145785 in words is "four hundred fifty million, one hundred forty-five thousand, seven hundred eighty-five".