143772143 has 2 divisors, whose sum is σ = 143772144. Its totient is φ = 143772142.

The previous prime is 143772131. The next prime is 143772157. The reversal of 143772143 is 341277341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143772143 - 2¹⁸ = 143509999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143772173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71886071 + 71886072.

It is an arithmetic number, because the mean of its divisors is an integer number (71886072).

Almost surely, 2^143772143 is an apocalyptic number.

143772143 is a deficient number, since it is larger than the sum of its proper divisors (1).

143772143 is an equidigital number, since it uses as much as digits as its factorization.

143772143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 143772143 is about 11990.5021996579. The cubic root of 143772143 is about 523.8716725843.

The spelling of 143772143 in words is "one hundred forty-three million, seven hundred seventy-two thousand, one hundred forty-three".