164242 has 8 divisors (see below), whose sum is σ = 265356. Its totient is φ = 75792.

The previous prime is 164239. The next prime is 164249. The reversal of 164242 is 242461.

It can be written as a sum of positive squares in 2 ways, for example, as 159201 + 5041 = 399^2 + 71^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (164249) 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, 3133 + ... + 3184.

2¹⁶⁴²⁴² is an apocalyptic number.

164242 is a deficient number, since it is larger than the sum of its proper divisors (101114).

164242 is a wasteful number, since it uses less digits than its factorization.

164242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332.

The product of its digits is 384, while the sum is 19.

The square root of 164242 is about 405.2678126869. The cubic root of 164242 is about 54.7639470178.

It can be divided in two parts, 164 and 242, that added together give a triangular number (406 = T₂₈).

The spelling of 164242 in words is "one hundred sixty-four thousand, two hundred forty-two".