143242 has 16 divisors (see below), whose sum is σ = 248832. Its totient is φ = 61120.
The previous prime is 143239. The next prime is 143243. The reversal of 143242 is 242341.
143242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (143243) 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, 183 + ... + 565.
It is an arithmetic number, because the mean of its divisors is an integer number (15552).
2143242 is an apocalyptic number.
143242 is a deficient number, since it is larger than the sum of its proper divisors (105590).
143242 is a wasteful number, since it uses less digits than its factorization.
143242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 413.
The product of its digits is 192, while the sum is 16.
The square root of 143242 is about 378.4732487244. The cubic root of 143242 is about 52.3226974297.
Adding to 143242 its reverse (242341), we get a palindrome (385583).
Subtracting 143242 from its reverse (242341), we obtain a palindrome (99099).
The spelling of 143242 in words is "one hundred forty-three thousand, two hundred forty-two", and thus it is an iban number.
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