9145090 has 16 divisors (see below), whose sum is σ = 16608888. Its totient is φ = 3625216.

The previous prime is 9145069. The next prime is 9145109. The reversal of 9145090 is 905419.

It can be written as a sum of positive squares in 4 ways, for example, as 4247721 + 4897369 = 2061^2 + 2213^2 .

It is a super-2 number, since 2×9145090² = 167265342216200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2917 + ... + 5176.

Almost surely, 2^9145090 is an apocalyptic number.

9145090 is a deficient number, since it is larger than the sum of its proper divisors (7463798).

9145090 is a wasteful number, since it uses less digits than its factorization.

9145090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 9145090 is about 3024.0849855783. The cubic root of 9145090 is about 209.1202043504.

The spelling of 9145090 in words is "nine million, one hundred forty-five thousand, ninety".