146252669 has 2 divisors, whose sum is σ = 146252670. Its totient is φ = 146252668.

The previous prime is 146252663. The next prime is 146252707. The reversal of 146252669 is 966252641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90973444 + 55279225 = 9538^2 + 7435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146252669 is a prime.

It is a super-2 number, since 2×146252669² = 42779686379247122, 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 (146252663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73126334 + 73126335.

It is an arithmetic number, because the mean of its divisors is an integer number (73126335).

Almost surely, 2^146252669 is an apocalyptic number.

It is an amenable number.

146252669 is a deficient number, since it is larger than the sum of its proper divisors (1).

146252669 is an equidigital number, since it uses as much as digits as its factorization.

146252669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 146252669 is about 12093.4969715132. The cubic root of 146252669 is about 526.8673265103.

The spelling of 146252669 in words is "one hundred forty-six million, two hundred fifty-two thousand, six hundred sixty-nine".