140000143 has 4 divisors (see below), whose sum is σ = 141972048. Its totient is φ = 138028240.

The previous prime is 140000141. The next prime is 140000171. The reversal of 140000143 is 341000041.

140000143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341000041 = 313 ⋅1089457.

It is a cyclic number.

It is not a de Polignac number, because 140000143 - 2¹ = 140000141 is a prime.

It is a Duffinian number.

140000143 is a modest number, since divided by 143 gives 140 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140000141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985846 + ... + 985987.

It is an arithmetic number, because the mean of its divisors is an integer number (35493012).

Almost surely, 2^140000143 is an apocalyptic number.

140000143 is a deficient number, since it is larger than the sum of its proper divisors (1971905).

140000143 is an equidigital number, since it uses as much as digits as its factorization.

140000143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971904.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 140000143 is about 11832.1656090506. The cubic root of 140000143 is about 519.2495869771.

Adding to 140000143 its reverse (341000041), we get a palindrome (481000184).

The spelling of 140000143 in words is "one hundred forty million, one hundred forty-three", and thus it is an aban number.