145670269 has 2 divisors, whose sum is σ = 145670270. Its totient is φ = 145670268.

The previous prime is 145670251. The next prime is 145670279. The reversal of 145670269 is 962076541.

145670269 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., 143880025 + 1790244 = 11995^2 + 1338^2 .

It is an emirp because it is prime and its reverse (962076541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145670269 - 2⁵ = 145670237 is a prime.

It is a super-2 number, since 2×145670269² = 42439654541064722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145670279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72835134 + 72835135.

It is an arithmetic number, because the mean of its divisors is an integer number (72835135).

Almost surely, 2^145670269 is an apocalyptic number.

It is an amenable number.

145670269 is a deficient number, since it is larger than the sum of its proper divisors (1).

145670269 is an equidigital number, since it uses as much as digits as its factorization.

145670269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 145670269 is about 12069.3938953039. The cubic root of 145670269 is about 526.1670413103.

The spelling of 145670269 in words is "one hundred forty-five million, six hundred seventy thousand, two hundred sixty-nine".