14181943 has 4 divisors (see below), whose sum is σ = 14249368. Its totient is φ = 14114520.

The previous prime is 14181919. The next prime is 14181953. The reversal of 14181943 is 34918141.

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-14181943 is a prime.

It is a super-2 number, since 2×14181943² = 402255014510498, 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 (14181913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33396 + ... + 33817.

It is an arithmetic number, because the mean of its divisors is an integer number (3562342).

Almost surely, 2^14181943 is an apocalyptic number.

14181943 is a deficient number, since it is larger than the sum of its proper divisors (67425).

14181943 is an equidigital number, since it uses as much as digits as its factorization.

14181943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67424.

The product of its digits is 3456, while the sum is 31.

The square root of 14181943 is about 3765.8920589948. The cubic root of 14181943 is about 242.0538038054.

The spelling of 14181943 in words is "fourteen million, one hundred eighty-one thousand, nine hundred forty-three".