445112453 has 4 divisors (see below), whose sum is σ = 445173120. Its totient is φ = 445051788.

The previous prime is 445112401. The next prime is 445112489. The reversal of 445112453 is 354211544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445112453 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 (445112053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17525 + ... + 34602.

It is an arithmetic number, because the mean of its divisors is an integer number (111293280).

Almost surely, 2^445112453 is an apocalyptic number.

It is an amenable number.

445112453 is a deficient number, since it is larger than the sum of its proper divisors (60667).

445112453 is an equidigital number, since it uses as much as digits as its factorization.

445112453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60666.

The product of its digits is 9600, while the sum is 29.

The square root of 445112453 is about 21097.6883330852. The cubic root of 445112453 is about 763.5249764280.

Adding to 445112453 its reverse (354211544), we get a palindrome (799323997).

Subtracting from 445112453 its reverse (354211544), we obtain a palindrome (90900909).

It can be divided in two parts, 44511 and 2453, that added together give a palindrome (46964).

The spelling of 445112453 in words is "four hundred forty-five million, one hundred twelve thousand, four hundred fifty-three".