12445223045 has 8 divisors (see below), whose sum is σ = 14950043424. Its totient is φ = 9945661264.

The previous prime is 12445223039. The next prime is 12445223047. The reversal of 12445223045 is 54032254421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12445223045 - 2⁶ = 12445222981 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 (12445223047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309439 + ... + 1318908.

It is an arithmetic number, because the mean of its divisors is an integer number (1868755428).

Almost surely, 2^12445223045 is an apocalyptic number.

It is an amenable number.

12445223045 is a deficient number, since it is larger than the sum of its proper divisors (2504820379).

12445223045 is an equidigital number, since it uses as much as digits as its factorization.

12445223045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629299.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 12445223045 its reverse (54032254421), we get a palindrome (66477477466).

The spelling of 12445223045 in words is "twelve billion, four hundred forty-five million, two hundred twenty-three thousand, forty-five".