14445321238 has 4 divisors (see below), whose sum is σ = 21667981860. Its totient is φ = 7222660618.

The previous prime is 14445321223. The next prime is 14445321239. The reversal of 14445321238 is 83212354441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83212354441 = 883 ⋅94238227.

It is a junction number, because it is equal to n+sod(n) for n = 14445321197 and 14445321206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14445321239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3611330308 + ... + 3611330311.

It is an arithmetic number, because the mean of its divisors is an integer number (5416995465).

Almost surely, 2^14445321238 is an apocalyptic number.

14445321238 is a deficient number, since it is larger than the sum of its proper divisors (7222660622).

14445321238 is an equidigital number, since it uses as much as digits as its factorization.

14445321238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7222660621.

The product of its digits is 92160, while the sum is 37.

Adding to 14445321238 its reverse (83212354441), we get a palindrome (97657675679).

The spelling of 14445321238 in words is "fourteen billion, four hundred forty-five million, three hundred twenty-one thousand, two hundred thirty-eight".