146378269 has 2 divisors, whose sum is σ = 146378270. Its totient is φ = 146378268.

The previous prime is 146378263. The next prime is 146378293. The reversal of 146378269 is 962873641.

146378269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127351225 + 19027044 = 11285^2 + 4362^2 .

It is an emirp because it is prime and its reverse (962873641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146378269 - 2¹¹ = 146376221 is a prime.

It is a super-2 number, since 2×146378269² = 42853195270872722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146378263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73189134 + 73189135.

It is an arithmetic number, because the mean of its divisors is an integer number (73189135).

Almost surely, 2^146378269 is an apocalyptic number.

It is an amenable number.

146378269 is a deficient number, since it is larger than the sum of its proper divisors (1).

146378269 is an equidigital number, since it uses as much as digits as its factorization.

146378269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 146378269 is about 12098.6887306022. The cubic root of 146378269 is about 527.0181057574.

The spelling of 146378269 in words is "one hundred forty-six million, three hundred seventy-eight thousand, two hundred sixty-nine".