9008145 has 32 divisors (see below), whose sum is σ = 16329600. Its totient is φ = 4709952.

The previous prime is 9008141. The next prime is 9008171. The reversal of 9008145 is 5418009.

It is not a de Polignac number, because 9008145 - 2² = 9008141 is a prime.

It is a super-2 number, since 2×9008145² = 162293352682050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9008141) 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, 6526 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (510300).

Almost surely, 2^9008145 is an apocalyptic number.

It is an amenable number.

9008145 is a deficient number, since it is larger than the sum of its proper divisors (7321455).

9008145 is a wasteful number, since it uses less digits than its factorization.

9008145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 9008145 is about 3001.3571930045. The cubic root of 9008145 is about 208.0711125807.

It can be divided in two parts, 900 and 8145, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 9008145 in words is "nine million, eight thousand, one hundred forty-five".