145589000189 has 2 divisors, whose sum is σ = 145589000190. Its totient is φ = 145589000188.

The previous prime is 145589000173. The next prime is 145589000203. The reversal of 145589000189 is 981000985541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144007347289 + 1581652900 = 379483^2 + 39770^2 .

It is a cyclic number.

It is not a de Polignac number, because 145589000189 - 2⁴ = 145589000173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145589000789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72794500094 + 72794500095.

It is an arithmetic number, because the mean of its divisors is an integer number (72794500095).

Almost surely, 2^145589000189 is an apocalyptic number.

It is an amenable number.

145589000189 is a deficient number, since it is larger than the sum of its proper divisors (1).

145589000189 is an equidigital number, since it uses as much as digits as its factorization.

145589000189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 50.

The spelling of 145589000189 in words is "one hundred forty-five billion, five hundred eighty-nine million, one hundred eighty-nine", and thus it is an aban number.