450807545 has 4 divisors (see below), whose sum is σ = 540969060. Its totient is φ = 360646032.

The previous prime is 450807499. The next prime is 450807551. The reversal of 450807545 is 545708054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545708054 = 2 ⋅272854027.

It can be written as a sum of positive squares in 2 ways, for example, as 86341264 + 364466281 = 9292^2 + 19091^2 .

It is a cyclic number.

It is not a de Polignac number, because 450807545 - 2²⁴ = 434030329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450807499 and 450807508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45080750 + ... + 45080759.

It is an arithmetic number, because the mean of its divisors is an integer number (135242265).

Almost surely, 2^450807545 is an apocalyptic number.

It is an amenable number.

450807545 is a deficient number, since it is larger than the sum of its proper divisors (90161515).

450807545 is an equidigital number, since it uses as much as digits as its factorization.

450807545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90161514.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 450807545 is about 21232.2289220892. The cubic root of 450807545 is about 766.7675505765.

It can be divided in two parts, 45080 and 7545, that added together give a palindrome (52625).

The spelling of 450807545 in words is "four hundred fifty million, eight hundred seven thousand, five hundred forty-five".