149744269 has 2 divisors, whose sum is σ = 149744270. Its totient is φ = 149744268.

The previous prime is 149744249. The next prime is 149744321. The reversal of 149744269 is 962447941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149744169 + 100 = 12237^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 149744269 - 2¹¹ = 149742221 is a prime.

It is a super-2 number, since 2×149744269² = 44846692196688722, 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 (149744219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74872134 + 74872135.

It is an arithmetic number, because the mean of its divisors is an integer number (74872135).

Almost surely, 2^149744269 is an apocalyptic number.

It is an amenable number.

149744269 is a deficient number, since it is larger than the sum of its proper divisors (1).

149744269 is an equidigital number, since it uses as much as digits as its factorization.

149744269 is an odious number, because the sum of its binary digits is odd.

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

The square root of 149744269 is about 12237.0040859681. The cubic root of 149744269 is about 531.0271631238.

The spelling of 149744269 in words is "one hundred forty-nine million, seven hundred forty-four thousand, two hundred sixty-nine".