164928143 has 4 divisors (see below), whose sum is σ = 165012168. Its totient is φ = 164844120.

The previous prime is 164928131. The next prime is 164928229. The reversal of 164928143 is 341829461.

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 164928143 - 2⁸ = 164927887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164928097 and 164928106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164922143) 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, 38996 + ... + 43017.

It is an arithmetic number, because the mean of its divisors is an integer number (41253042).

Almost surely, 2^164928143 is an apocalyptic number.

164928143 is a deficient number, since it is larger than the sum of its proper divisors (84025).

164928143 is an equidigital number, since it uses as much as digits as its factorization.

164928143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84024.

The product of its digits is 41472, while the sum is 38.

The square root of 164928143 is about 12842.4352441428. The cubic root of 164928143 is about 548.4010231279.

It can be divided in two parts, 1649 and 28143, that added together give a palindrome (29792).

The spelling of 164928143 in words is "one hundred sixty-four million, nine hundred twenty-eight thousand, one hundred forty-three".