14155143 has 16 divisors (see below), whose sum is σ = 19792896. Its totient is φ = 8981280.

The previous prime is 14155129. The next prime is 14155147. The reversal of 14155143 is 34155141.

It is a happy number.

It is not a de Polignac number, because 14155143 - 2⁶ = 14155079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14155147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18321 + ... + 19077.

It is an arithmetic number, because the mean of its divisors is an integer number (1237056).

Almost surely, 2^14155143 is an apocalyptic number.

14155143 is a deficient number, since it is larger than the sum of its proper divisors (5637753).

14155143 is a wasteful number, since it uses less digits than its factorization.

14155143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054.

The product of its digits is 1200, while the sum is 24.

The square root of 14155143 is about 3762.3321225006. The cubic root of 14155143 is about 241.9012357950.

The spelling of 14155143 in words is "fourteen million, one hundred fifty-five thousand, one hundred forty-three".