149112269 has 2 divisors, whose sum is σ = 149112270. Its totient is φ = 149112268.

The previous prime is 149112233. The next prime is 149112277. The reversal of 149112269 is 962211941.

149112269 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., 105062500 + 44049769 = 10250^2 + 6637^2 .

It is an emirp because it is prime and its reverse (962211941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149112269 is a prime.

It is a super-2 number, since 2×149112269² = 44468937532656722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149112169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74556134 + 74556135.

It is an arithmetic number, because the mean of its divisors is an integer number (74556135).

Almost surely, 2^149112269 is an apocalyptic number.

It is an amenable number.

149112269 is a deficient number, since it is larger than the sum of its proper divisors (1).

149112269 is an equidigital number, since it uses as much as digits as its factorization.

149112269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 149112269 is about 12211.1534672200. The cubic root of 149112269 is about 530.2790378278.

The spelling of 149112269 in words is "one hundred forty-nine million, one hundred twelve thousand, two hundred sixty-nine".