164357143 has 4 divisors (see below), whose sum is σ = 164695120. Its totient is φ = 164019168.

The previous prime is 164357131. The next prime is 164357183. The reversal of 164357143 is 341753461.

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 164357143 - 2⁵ = 164357111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164357099 and 164357108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164357113) 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, 168258 + ... + 169231.

It is an arithmetic number, because the mean of its divisors is an integer number (41173780).

Almost surely, 2^164357143 is an apocalyptic number.

164357143 is a deficient number, since it is larger than the sum of its proper divisors (337977).

164357143 is an equidigital number, since it uses as much as digits as its factorization.

164357143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337976.

The product of its digits is 30240, while the sum is 34.

The square root of 164357143 is about 12820.1849830648. The cubic root of 164357143 is about 547.7674157739.

The spelling of 164357143 in words is "one hundred sixty-four million, three hundred fifty-seven thousand, one hundred forty-three".