153085 has 8 divisors (see below), whose sum is σ = 194616. Its totient is φ = 115200.
The previous prime is 153077. The next prime is 153089. The reversal of 153085 is 580351.
It can be written as a sum of positive squares in 4 ways, for example, as 10201 + 142884 = 101^2 + 378^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 153085 - 23 = 153077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816 + ... + 985.
It is an arithmetic number, because the mean of its divisors is an integer number (24327).
2153085 is an apocalyptic number.
It is an amenable number.
153085 is a deficient number, since it is larger than the sum of its proper divisors (41531).
153085 is a wasteful number, since it uses less digits than its factorization.
153085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1823.
The product of its (nonzero) digits is 600, while the sum is 22.
The square root of 153085 is about 391.2607825990. The cubic root of 153085 is about 53.4947151737.
The spelling of 153085 in words is "one hundred fifty-three thousand, eighty-five".
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