451444045 has 32 divisors (see below), whose sum is σ = 598600800. Its totient is φ = 324808704.

The previous prime is 451444039. The next prime is 451444079. The reversal of 451444045 is 540444154.

451444045 = T₅₉ + T₆₀ + ... + T₁₃₉₃.

It can be written as a sum of positive squares in 16 ways, for example, as 235530409 + 215913636 = 15347^2 + 14694^2 .

It is not a de Polignac number, because 451444045 - 2⁵ = 451444013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 451443998 and 451444016.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 421771 + ... + 422839.

It is an arithmetic number, because the mean of its divisors is an integer number (18706275).

Almost surely, 2^451444045 is an apocalyptic number.

It is an amenable number.

451444045 is a deficient number, since it is larger than the sum of its proper divisors (147156755).

451444045 is a wasteful number, since it uses less digits than its factorization.

451444045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249.

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 451444045 is about 21247.2126407207. The cubic root of 451444045 is about 767.1282499763.

Adding to 451444045 its reverse (540444154), we get a palindrome (991888199).

The spelling of 451444045 in words is "four hundred fifty-one million, four hundred forty-four thousand, forty-five".