1145823 has 8 divisors (see below), whose sum is σ = 1746048. Its totient is φ = 654744.

The previous prime is 1145803. The next prime is 1145831. The reversal of 1145823 is 3285411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1145823 - 2⁹ = 1145311 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1145793 and 1145802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27261 + ... + 27302.

It is an arithmetic number, because the mean of its divisors is an integer number (218256).

2^1145823 is an apocalyptic number.

1145823 is a deficient number, since it is larger than the sum of its proper divisors (600225).

1145823 is an equidigital number, since it uses as much as digits as its factorization.

1145823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54573.

The product of its digits is 960, while the sum is 24.

The square root of 1145823 is about 1070.4312215178. The cubic root of 1145823 is about 104.6419550750.

The spelling of 1145823 in words is "one million, one hundred forty-five thousand, eight hundred twenty-three".