140303143 has 2 divisors, whose sum is σ = 140303144. Its totient is φ = 140303142.

The previous prime is 140303129. The next prime is 140303167. The reversal of 140303143 is 341303041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140303143 - 2¹³ = 140294951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140303143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140300143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70151571 + 70151572.

It is an arithmetic number, because the mean of its divisors is an integer number (70151572).

Almost surely, 2^140303143 is an apocalyptic number.

140303143 is a deficient number, since it is larger than the sum of its proper divisors (1).

140303143 is an equidigital number, since it uses as much as digits as its factorization.

140303143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 140303143 is about 11844.9627690424. The cubic root of 140303143 is about 519.6239181590.

Adding to 140303143 its reverse (341303041), we get a palindrome (481606184).

The spelling of 140303143 in words is "one hundred forty million, three hundred three thousand, one hundred forty-three".