45243 has 12 divisors (see below), whose sum is σ = 71448. Its totient is φ = 27360.
The previous prime is 45233. The next prime is 45247. The reversal of 45243 is 34254.
It is a happy number.
It is not a de Polignac number, because 45243 - 26 = 45179 is a prime.
45243 is a modest number, since divided by 243 gives 45 as remainder.
It is a plaindrome in base 12.
It is not an unprimeable number, because it can be changed into a prime (45247) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130 + ... + 327.
It is an arithmetic number, because the mean of its divisors is an integer number (5954).
245243 is an apocalyptic number.
45243 is a deficient number, since it is larger than the sum of its proper divisors (26205).
45243 is a wasteful number, since it uses less digits than its factorization.
45243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 474 (or 471 counting only the distinct ones).
The product of its digits is 480, while the sum is 18.
The square root of 45243 is about 212.7040197081. The cubic root of 45243 is about 35.6328422255.
Adding to 45243 its reverse (34254), we get a palindrome (79497).
The spelling of 45243 in words is "forty-five thousand, two hundred forty-three".
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