149064309 has 12 divisors (see below), whose sum is σ = 215578636. Its totient is φ = 99254592.

The previous prime is 149064299. The next prime is 149064343. The reversal of 149064309 is 903460941.

149064309 is a `hidden beast` number, since 1 + 4 + 9 + 0 + 643 + 0 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3186225 + 145878084 = 1785^2 + 12078^2 .

It is not a de Polignac number, because 149064309 - 2⁵ = 149064277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149054309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2032 + ... + 17385.

Almost surely, 2^149064309 is an apocalyptic number.

It is an amenable number.

149064309 is a deficient number, since it is larger than the sum of its proper divisors (66514327).

149064309 is a wasteful number, since it uses less digits than its factorization.

149064309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20276 (or 20273 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 149064309 is about 12209.1895308411. The cubic root of 149064309 is about 530.2221793056. Note that the first 3 decimals are identical.

The spelling of 149064309 in words is "one hundred forty-nine million, sixty-four thousand, three hundred nine".