128445143 has 2 divisors, whose sum is σ = 128445144. Its totient is φ = 128445142.

The previous prime is 128445103. The next prime is 128445151. The reversal of 128445143 is 341544821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128445143 - 2¹⁰ = 128444119 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128445103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64222571 + 64222572.

It is an arithmetic number, because the mean of its divisors is an integer number (64222572).

Almost surely, 2^128445143 is an apocalyptic number.

128445143 is a deficient number, since it is larger than the sum of its proper divisors (1).

128445143 is an equidigital number, since it uses as much as digits as its factorization.

128445143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 32.

The square root of 128445143 is about 11333.3641519189. The cubic root of 128445143 is about 504.5519576066.

Adding to 128445143 its reverse (341544821), we get a palindrome (469989964).

The spelling of 128445143 in words is "one hundred twenty-eight million, four hundred forty-five thousand, one hundred forty-three".