103144 has 8 divisors (see below), whose sum is σ = 193410. Its totient is φ = 51568.
The previous prime is 103141. The next prime is 103171. The reversal of 103144 is 441301.
It can be written as a sum of positive squares in only one way, i.e., 84100 + 19044 = 290^2 + 138^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (103141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6439 + ... + 6454.
2103144 is an apocalyptic number.
It is an amenable number.
103144 is a deficient number, since it is larger than the sum of its proper divisors (90266).
103144 is a wasteful number, since it uses less digits than its factorization.
103144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12899 (or 12895 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 103144 is about 321.1603960640. The cubic root of 103144 is about 46.8973161889.
Adding to 103144 its reverse (441301), we get a palindrome (544445).
The spelling of 103144 in words is "one hundred three thousand, one hundred forty-four", and thus it is an iban number.
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