181064 has 16 divisors (see below), whose sum is σ = 365820. Its totient is φ = 83520.
The previous prime is 181063. The next prime is 181081. The reversal of 181064 is 460181.
It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 52900 = 358^2 + 230^2 .
It is a plaindrome in base 15.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 181064.
It is not an unprimeable number, because it can be changed into a prime (181061) 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 3 ways as a sum of consecutive naturals, for example, 767 + ... + 974.
2181064 is an apocalyptic number.
It is an amenable number.
181064 is an abundant number, since it is smaller than the sum of its proper divisors (184756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
181064 is a wasteful number, since it uses less digits than its factorization.
181064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1760 (or 1756 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 20.
The square root of 181064 is about 425.5161571550. The cubic root of 181064 is about 56.5731946140.
The spelling of 181064 in words is "one hundred eighty-one thousand, sixty-four".
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