165141 has 12 divisors (see below), whose sum is σ = 243360. Its totient is φ = 107880.
The previous prime is 165133. The next prime is 165161. The reversal of 165141 is 141561.
It is not a de Polignac number, because 165141 - 23 = 165133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (165161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376 + ... + 686.
It is an arithmetic number, because the mean of its divisors is an integer number (20280).
2165141 is an apocalyptic number.
It is an amenable number.
165141 is a deficient number, since it is larger than the sum of its proper divisors (78219).
165141 is a wasteful number, since it uses less digits than its factorization.
165141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 376 (or 373 counting only the distinct ones).
The product of its digits is 120, while the sum is 18.
The square root of 165141 is about 406.3754421714. The cubic root of 165141 is about 54.8636844645.
The spelling of 165141 in words is "one hundred sixty-five thousand, one hundred forty-one".
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