9157149 has 12 divisors (see below), whose sum is σ = 13260000. Its totient is φ = 6089544.

The previous prime is 9157139. The next prime is 9157157. The reversal of 9157149 is 9417519.

It is not a de Polignac number, because 9157149 - 2⁷ = 9157021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9157139) 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, 3472 + ... + 5510.

It is an arithmetic number, because the mean of its divisors is an integer number (1105000).

Almost surely, 2^9157149 is an apocalyptic number.

It is an amenable number.

9157149 is a deficient number, since it is larger than the sum of its proper divisors (4102851).

9157149 is a wasteful number, since it uses less digits than its factorization.

9157149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544 (or 2541 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 9157149 is about 3026.0781549722. The cubic root of 9157149 is about 209.2120814459.

The spelling of 9157149 in words is "nine million, one hundred fifty-seven thousand, one hundred forty-nine".