164105143 has 4 divisors (see below), whose sum is σ = 164174920. Its totient is φ = 164035368.

The previous prime is 164105129. The next prime is 164105197. The reversal of 164105143 is 341501461.

164105143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164105143 - 2⁹ = 164104631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164102143) 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, 31233 + ... + 36106.

It is an arithmetic number, because the mean of its divisors is an integer number (41043730).

Almost surely, 2^164105143 is an apocalyptic number.

164105143 is a deficient number, since it is larger than the sum of its proper divisors (69777).

164105143 is an equidigital number, since it uses as much as digits as its factorization.

164105143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69776.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 164105143 is about 12810.3529615698. The cubic root of 164105143 is about 547.4873184305.

The spelling of 164105143 in words is "one hundred sixty-four million, one hundred five thousand, one hundred forty-three".