165130243 has 8 divisors (see below), whose sum is σ = 167428800. Its totient is φ = 162839208.

The previous prime is 165130237. The next prime is 165130261. The reversal of 165130243 is 342031561.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165130243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165130283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53188 + ... + 56206.

It is an arithmetic number, because the mean of its divisors is an integer number (20928600).

Almost surely, 2^165130243 is an apocalyptic number.

165130243 is a deficient number, since it is larger than the sum of its proper divisors (2298557).

165130243 is an equidigital number, since it uses as much as digits as its factorization.

165130243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 165130243 is about 12850.3012805148. The cubic root of 165130243 is about 548.6249319670.

The spelling of 165130243 in words is "one hundred sixty-five million, one hundred thirty thousand, two hundred forty-three".