205148 has 6 divisors (see below), whose sum is σ = 359016. Its totient is φ = 102572.
The previous prime is 205141. The next prime is 205151. The reversal of 205148 is 841502.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25640 + ... + 25647.
It is an arithmetic number, because the mean of its divisors is an integer number (59836).
2205148 is an apocalyptic number.
It is an amenable number.
205148 is a deficient number, since it is larger than the sum of its proper divisors (153868).
205148 is a wasteful number, since it uses less digits than its factorization.
205148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51291 (or 51289 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 205148 is about 452.9326660774. The cubic root of 205148 is about 58.9778716212.
It can be divided in two parts, 205 and 148, that added together give a palindrome (353).
The spelling of 205148 in words is "two hundred five thousand, one hundred forty-eight".
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