9145418 has 4 divisors (see below), whose sum is σ = 13718130. Its totient is φ = 4572708.

The previous prime is 9145379. The next prime is 9145447. The reversal of 9145418 is 8145419.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9138529 + 6889 = 3023^2 + 83^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2286353 + ... + 2286356.

Almost surely, 2^9145418 is an apocalyptic number.

9145418 is a deficient number, since it is larger than the sum of its proper divisors (4572712).

9145418 is a wasteful number, since it uses less digits than its factorization.

9145418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572711.

The product of its digits is 5760, while the sum is 32.

The square root of 9145418 is about 3024.1392163722. The cubic root of 9145418 is about 209.1227044390.

Subtracting from 9145418 its reverse (8145419), we obtain a palindrome (999999).

The spelling of 9145418 in words is "nine million, one hundred forty-five thousand, four hundred eighteen".