445245103 has 4 divisors (see below), whose sum is σ = 453646008. Its totient is φ = 436844200.

The previous prime is 445245089. The next prime is 445245127. The reversal of 445245103 is 301542544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445245103 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 (445245173) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4200373 + ... + 4200478.

It is an arithmetic number, because the mean of its divisors is an integer number (113411502).

Almost surely, 2^445245103 is an apocalyptic number.

445245103 is a deficient number, since it is larger than the sum of its proper divisors (8400905).

445245103 is an equidigital number, since it uses as much as digits as its factorization.

445245103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400904.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 445245103 is about 21100.8318082487. The cubic root of 445245103 is about 763.6008160860.

Adding to 445245103 its reverse (301542544), we get a palindrome (746787647).

The spelling of 445245103 in words is "four hundred forty-five million, two hundred forty-five thousand, one hundred three".