9138045 has 32 divisors (see below), whose sum is σ = 17291520. Its totient is φ = 4032000.

The previous prime is 9138043. The next prime is 9138047. The reversal of 9138045 is 5408319.

It is an interprime number because it is at equal distance from previous prime (9138043) and next prime (9138047).

It is not a de Polignac number, because 9138045 - 2¹ = 9138043 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1545 + ... + 4545.

It is an arithmetic number, because the mean of its divisors is an integer number (540360).

Almost surely, 2^9138045 is an apocalyptic number.

It is an amenable number.

9138045 is a deficient number, since it is larger than the sum of its proper divisors (8153475).

9138045 is a wasteful number, since it uses less digits than its factorization.

9138045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 9138045 is about 3022.9199460125. The cubic root of 9138045 is about 209.0664913630.

The spelling of 9138045 in words is "nine million, one hundred thirty-eight thousand, forty-five".