146450069 has 2 divisors, whose sum is σ = 146450070. Its totient is φ = 146450068.

The previous prime is 146449999. The next prime is 146450089. The reversal of 146450069 is 960054641.

146450069 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., 75047569 + 71402500 = 8663^2 + 8450^2 .

It is a cyclic number.

It is not a de Polignac number, because 146450069 - 2⁸ = 146449813 is a prime.

It is a super-2 number, since 2×146450069² = 42895245420209522, 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 (146450089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73225034 + 73225035.

It is an arithmetic number, because the mean of its divisors is an integer number (73225035).

Almost surely, 2^146450069 is an apocalyptic number.

It is an amenable number.

146450069 is a deficient number, since it is larger than the sum of its proper divisors (1).

146450069 is an equidigital number, since it uses as much as digits as its factorization.

146450069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 146450069 is about 12101.6556305325. The cubic root of 146450069 is about 527.1042608837.

The spelling of 146450069 in words is "one hundred forty-six million, four hundred fifty thousand, sixty-nine".