140143 has 2 divisors, whose sum is σ = 140144.
Its totient is φ = 140142.
The previous prime is 140123. The next prime is 140159. The reversal of 140143 is 341041.
Adding to 140143 its reverse (341041), we get a palindrome (481184).
It can be divided in two parts, 1401 and 43, that added together give a square (1444 = 382).
It is a strong prime.
It is an emirp because it is prime and its reverse (341041) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 140143 - 25 = 140111 is a prime.
It is equal to p13018 and since 140143 and 13018 have the same sum of digits, it is a Honaker prime.
It is a plaindrome in base 16.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (140123) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70071 + 70072.
It is an arithmetic number, because the mean of its divisors is an integer number (70072).
2140143 is an apocalyptic number.
140143 is a deficient number, since it is larger than the sum of its proper divisors (1).
140143 is an equidigital number, since it uses as much as digits as its factorization.
140143 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 140143 is about 374.3567816936.
The cubic root of 140143 is about 51.9426142087.
The spelling of 140143 in words is "one hundred forty thousand, one hundred forty-three", and thus it is an iban number.