11445493 has 4 divisors (see below), whose sum is σ = 11465388. Its totient is φ = 11425600.

The previous prime is 11445481. The next prime is 11445521. The reversal of 11445493 is 39454411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39454411 = 193 ⋅204427.

It can be written as a sum of positive squares in 2 ways, for example, as 6749604 + 4695889 = 2598^2 + 2167^2 .

It is a cyclic number.

It is not a de Polignac number, because 11445493 - 2¹⁷ = 11314421 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9058 + ... + 10243.

It is an arithmetic number, because the mean of its divisors is an integer number (2866347).

Almost surely, 2^11445493 is an apocalyptic number.

It is an amenable number.

11445493 is a deficient number, since it is larger than the sum of its proper divisors (19895).

11445493 is an equidigital number, since it uses as much as digits as its factorization.

11445493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19894.

The product of its digits is 8640, while the sum is 31.

The square root of 11445493 is about 3383.1188273544. The cubic root of 11445493 is about 225.3606922556.

The spelling of 11445493 in words is "eleven million, four hundred forty-five thousand, four hundred ninety-three".