450050045 has 4 divisors (see below), whose sum is σ = 540060060. Its totient is φ = 360040032.

The previous prime is 450050021. The next prime is 450050047. The reversal of 450050045 is 540050054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540050054 = 2 ⋅270025027.

It can be written as a sum of positive squares in 2 ways, for example, as 298218361 + 151831684 = 17269^2 + 12322^2 .

It is a cyclic number.

It is not a de Polignac number, because 450050045 - 2²² = 445855741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450050045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450050047) 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, 45005000 + ... + 45005009.

It is an arithmetic number, because the mean of its divisors is an integer number (135015015).

Almost surely, 2^450050045 is an apocalyptic number.

It is an amenable number.

450050045 is a deficient number, since it is larger than the sum of its proper divisors (90010015).

450050045 is an equidigital number, since it uses as much as digits as its factorization.

450050045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90010014.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 450050045 is about 21214.3829747650. The cubic root of 450050045 is about 766.3378387150.

Subtracting 450050045 from its reverse (540050054), we obtain a palindrome (90000009).

It can be divided in two parts, 4500 and 50045, that added together give a palindrome (54545).

The spelling of 450050045 in words is "four hundred fifty million, fifty thousand, forty-five".