451445042425303 has 4 divisors (see below), whose sum is σ = 451445097518968. Its totient is φ = 451444987331640.

The previous prime is 451445042425291. The next prime is 451445042425379. The reversal of 451445042425303 is 303524240544154.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 451445042425303 - 2³⁷ = 451307603471831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451445042425393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12525093 + ... + 32554078.

It is an arithmetic number, because the mean of its divisors is an integer number (112861274379742).

Almost surely, 2^{451445042425303} is an apocalyptic number.

451445042425303 is a deficient number, since it is larger than the sum of its proper divisors (55093665).

451445042425303 is a wasteful number, since it uses less digits than its factorization.

451445042425303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55093664.

The product of its (nonzero) digits is 4608000, while the sum is 46.

Adding to 451445042425303 its reverse (303524240544154), we get a palindrome (754969282969457).

The spelling of 451445042425303 in words is "four hundred fifty-one trillion, four hundred forty-five billion, forty-two million, four hundred twenty-five thousand, three hundred three".