146769089 has 2 divisors, whose sum is σ = 146769090. Its totient is φ = 146769088.

The previous prime is 146769083. The next prime is 146769107. The reversal of 146769089 is 980967641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115777600 + 30991489 = 10760^2 + 5567^2 .

It is a cyclic number.

It is not a de Polignac number, because 146769089 - 2⁸ = 146768833 is a prime.

It is not a weakly prime, because it can be changed into another prime (146769083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73384544 + 73384545.

It is an arithmetic number, because the mean of its divisors is an integer number (73384545).

Almost surely, 2^146769089 is an apocalyptic number.

It is an amenable number.

146769089 is a deficient number, since it is larger than the sum of its proper divisors (1).

146769089 is an equidigital number, since it uses as much as digits as its factorization.

146769089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 146769089 is about 12114.8293013150. The cubic root of 146769089 is about 527.4867230847.

The spelling of 146769089 in words is "one hundred forty-six million, seven hundred sixty-nine thousand, eighty-nine".