451325306345 has 4 divisors (see below), whose sum is σ = 541590367620. Its totient is φ = 361060245072.

The previous prime is 451325306321. The next prime is 451325306357. The reversal of 451325306345 is 543603523154.

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 98751805504 + 352573500841 = 314248^2 + 593779^2 .

It is a cyclic number.

It is not a de Polignac number, because 451325306345 - 2³⁴ = 434145437161 is a prime.

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, 45132530630 + ... + 45132530639.

It is an arithmetic number, because the mean of its divisors is an integer number (135397591905).

Almost surely, 2^451325306345 is an apocalyptic number.

It is an amenable number.

451325306345 is a deficient number, since it is larger than the sum of its proper divisors (90265061275).

451325306345 is an equidigital number, since it uses as much as digits as its factorization.

451325306345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90265061274.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 451325306345 its reverse (543603523154), we get a palindrome (994928829499).

The spelling of 451325306345 in words is "four hundred fifty-one billion, three hundred twenty-five million, three hundred six thousand, three hundred forty-five".