146120069 has 2 divisors, whose sum is σ = 146120070. Its totient is φ = 146120068.

The previous prime is 146120047. The next prime is 146120077. The reversal of 146120069 is 960021641.

146120069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140541025 + 5579044 = 11855^2 + 2362^2 .

It is a cyclic number.

It is not a de Polignac number, because 146120069 - 2¹⁶ = 146054533 is a prime.

It is a super-2 number, since 2×146120069² = 42702149129129522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146120869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73060034 + 73060035.

It is an arithmetic number, because the mean of its divisors is an integer number (73060035).

Almost surely, 2^146120069 is an apocalyptic number.

It is an amenable number.

146120069 is a deficient number, since it is larger than the sum of its proper divisors (1).

146120069 is an equidigital number, since it uses as much as digits as its factorization.

146120069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 146120069 is about 12088.0134430766. The cubic root of 146120069 is about 526.7080502563.

The spelling of 146120069 in words is "one hundred forty-six million, one hundred twenty thousand, sixty-nine".