14443381 has 4 divisors (see below), whose sum is σ = 14583712. Its totient is φ = 14303052.

The previous prime is 14443369. The next prime is 14443423. The reversal of 14443381 is 18334441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18334441 = 443 ⋅41387.

It is a cyclic number.

It is not a de Polignac number, because 14443381 - 2¹³ = 14435189 is a prime.

It is a super-2 number, since 2×14443381² = 417222509422322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14443361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70011 + ... + 70216.

It is an arithmetic number, because the mean of its divisors is an integer number (3645928).

Almost surely, 2^14443381 is an apocalyptic number.

It is an amenable number.

14443381 is a deficient number, since it is larger than the sum of its proper divisors (140331).

14443381 is a wasteful number, since it uses less digits than its factorization.

14443381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140330.

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

The square root of 14443381 is about 3800.4448423836. Note that the first 3 decimals coincide. The cubic root of 14443381 is about 243.5321423135.

The spelling of 14443381 in words is "fourteen million, four hundred forty-three thousand, three hundred eighty-one".