243150 has 24 divisors (see below), whose sum is σ = 603384. Its totient is φ = 64800.
The previous prime is 243149. The next prime is 243157. The reversal of 243150 is 51342.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243157) 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, 661 + ... + 960.
It is an arithmetic number, because the mean of its divisors is an integer number (25141).
2243150 is an apocalyptic number.
243150 is an abundant number, since it is smaller than the sum of its proper divisors (360234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243150 is a wasteful number, since it uses less digits than its factorization.
243150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1636 (or 1631 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 243150 is about 493.1024234376. The cubic root of 243150 is about 62.4153520741.
Adding to 243150 its reverse (51342), we get a palindrome (294492).
It can be divided in two parts, 243 and 150, that added together give a palindrome (393).
The spelling of 243150 in words is "two hundred forty-three thousand, one hundred fifty".
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