1145589 has 8 divisors (see below), whose sum is σ = 1548672. Its totient is φ = 753120.

The previous prime is 1145539. The next prime is 1145593. The reversal of 1145589 is 9855411.

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

It is not a de Polignac number, because 1145589 - 2⁷ = 1145461 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2397 + ... + 2834.

It is an arithmetic number, because the mean of its divisors is an integer number (193584).

2^1145589 is an apocalyptic number.

It is an amenable number.

1145589 is a deficient number, since it is larger than the sum of its proper divisors (403083).

1145589 is an equidigital number, since it uses as much as digits as its factorization.

1145589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307.

The product of its digits is 7200, while the sum is 33.

The square root of 1145589 is about 1070.3219141922. The cubic root of 1145589 is about 104.6348312626.

The spelling of 1145589 in words is "one million, one hundred forty-five thousand, five hundred eighty-nine".