164142859 has 4 divisors (see below), whose sum is σ = 164171016. Its totient is φ = 164114704.

The previous prime is 164142857. The next prime is 164142899. The reversal of 164142859 is 958241461.

164142859 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 164142859 - 2¹ = 164142857 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164142857) 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, 1714 + ... + 18199.

It is an arithmetic number, because the mean of its divisors is an integer number (41042754).

Almost surely, 2^164142859 is an apocalyptic number.

164142859 is a deficient number, since it is larger than the sum of its proper divisors (28157).

164142859 is an equidigital number, since it uses as much as digits as its factorization.

164142859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28156.

The product of its digits is 69120, while the sum is 40.

The square root of 164142859 is about 12811.8249675837. The cubic root of 164142859 is about 547.5292579042.

The spelling of 164142859 in words is "one hundred sixty-four million, one hundred forty-two thousand, eight hundred fifty-nine".