14091143 has 16 divisors (see below), whose sum is σ = 16253952. Its totient is φ = 12108600.

The previous prime is 14091139. The next prime is 14091149. The reversal of 14091143 is 34119041.

14091143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14091143 - 2² = 14091139 is a prime.

It is a super-2 number, since 2×14091143² = 397120622092898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14091149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327680 + ... + 327722.

It is an arithmetic number, because the mean of its divisors is an integer number (1015872).

Almost surely, 2^14091143 is an apocalyptic number.

14091143 is a deficient number, since it is larger than the sum of its proper divisors (2162809).

14091143 is an frugal number, since it uses more digits than its factorization.

14091143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 14091143 is about 3753.8171239420. The cubic root of 14091143 is about 241.5361136048.

It can be divided in two parts, 1409 and 1143, that added together give a palindrome (2552).

The spelling of 14091143 in words is "fourteen million, ninety-one thousand, one hundred forty-three".