9145493 has 4 divisors (see below), whose sum is σ = 10452000. Its totient is φ = 7838988.

The previous prime is 9145489. The next prime is 9145519. The reversal of 9145493 is 3945419.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3945419 = 61 ⋅64679.

It is a cyclic number.

It is not a de Polignac number, because 9145493 - 2² = 9145489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9145463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653243 + ... + 653256.

It is an arithmetic number, because the mean of its divisors is an integer number (2613000).

Almost surely, 2^9145493 is an apocalyptic number.

It is an amenable number.

9145493 is a deficient number, since it is larger than the sum of its proper divisors (1306507).

9145493 is a wasteful number, since it uses less digits than its factorization.

9145493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306506.

The product of its digits is 19440, while the sum is 35.

The square root of 9145493 is about 3024.1516165695. The cubic root of 9145493 is about 209.1232760972.

The spelling of 9145493 in words is "nine million, one hundred forty-five thousand, four hundred ninety-three".