1093145 has 4 divisors (see below), whose sum is σ = 1311780. Its totient is φ = 874512.

The previous prime is 1093133. The next prime is 1093159. The reversal of 1093145 is 5413901.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 597529 + 495616 = 773^2 + 704^2 .

It is a cyclic number.

It is not a de Polignac number, because 1093145 - 2⁴ = 1093129 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1093145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109310 + ... + 109319.

It is an arithmetic number, because the mean of its divisors is an integer number (327945).

2^1093145 is an apocalyptic number.

It is an amenable number.

1093145 is a deficient number, since it is larger than the sum of its proper divisors (218635).

1093145 is an equidigital number, since it uses as much as digits as its factorization.

1093145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218634.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1093145 is about 1045.5357478346. The cubic root of 1093145 is about 103.0131318287.

The spelling of 1093145 in words is "one million, ninety-three thousand, one hundred forty-five".