450081145 has 4 divisors (see below), whose sum is σ = 540097380. Its totient is φ = 360064912.

The previous prime is 450081133. The next prime is 450081179. The reversal of 450081145 is 541180054.

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

It can be written as a sum of positive squares in 2 ways, for example, as 100540729 + 349540416 = 10027^2 + 18696^2 .

It is a cyclic number.

It is not a de Polignac number, because 450081145 - 2⁵ = 450081113 is a prime.

It is a super-2 number, since 2×450081145² = 405146074169022050, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 45008110 + ... + 45008119.

It is an arithmetic number, because the mean of its divisors is an integer number (135024345).

Almost surely, 2^450081145 is an apocalyptic number.

It is an amenable number.

450081145 is a deficient number, since it is larger than the sum of its proper divisors (90016235).

450081145 is an equidigital number, since it uses as much as digits as its factorization.

450081145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90016234.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 450081145 is about 21215.1159553748. The cubic root of 450081145 is about 766.3554904985.

The spelling of 450081145 in words is "four hundred fifty million, eighty-one thousand, one hundred forty-five".