153149549 has 24 divisors (see below), whose sum is σ = 193770360. Its totient is φ = 120185856.

The previous prime is 153149543. The next prime is 153149561. The reversal of 153149549 is 945941351.

It can be written as a sum of positive squares in 4 ways, for example, as 49984900 + 103164649 = 7070^2 + 10157^2 .

It is not a de Polignac number, because 153149549 - 2⁴ = 153149533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153149543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28337 + ... + 33305.

It is an arithmetic number, because the mean of its divisors is an integer number (8073765).

Almost surely, 2^153149549 is an apocalyptic number.

It is an amenable number.

153149549 is a deficient number, since it is larger than the sum of its proper divisors (40620811).

153149549 is a wasteful number, since it uses less digits than its factorization.

153149549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037 (or 5030 counting only the distinct ones).

The product of its digits is 97200, while the sum is 41.

The square root of 153149549 is about 12375.3605604039. The cubic root of 153149549 is about 535.0223288203.

The spelling of 153149549 in words is "one hundred fifty-three million, one hundred forty-nine thousand, five hundred forty-nine".