14443138 has 4 divisors (see below), whose sum is σ = 21664710. Its totient is φ = 7221568.

The previous prime is 14443133. The next prime is 14443157. The reversal of 14443138 is 83134441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83134441 = 13 ⋅6394957.

It can be written as a sum of positive squares in only one way, i.e., 7436529 + 7006609 = 2727^2 + 2647^2 .

It is not an unprimeable number, because it can be changed into a prime (14443133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610783 + ... + 3610786.

Almost surely, 2^14443138 is an apocalyptic number.

14443138 is a deficient number, since it is larger than the sum of its proper divisors (7221572).

14443138 is an equidigital number, since it uses as much as digits as its factorization.

14443138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221571.

The product of its digits is 4608, while the sum is 28.

The square root of 14443138 is about 3800.4128723074. The cubic root of 14443138 is about 243.5307765520.

Adding to 14443138 its reverse (83134441), we get a palindrome (97577579).

The spelling of 14443138 in words is "fourteen million, four hundred forty-three thousand, one hundred thirty-eight".