1165045 has 8 divisors (see below), whose sum is σ = 1597824. Its totient is φ = 798864.

The previous prime is 1165037. The next prime is 1165049. The reversal of 1165045 is 5405611.

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

It is a cyclic number.

It is not a de Polignac number, because 1165045 - 2³ = 1165037 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 (1165049) 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, 16609 + ... + 16678.

It is an arithmetic number, because the mean of its divisors is an integer number (199728).

2^1165045 is an apocalyptic number.

It is an amenable number.

1165045 is a deficient number, since it is larger than the sum of its proper divisors (432779).

1165045 is an equidigital number, since it uses as much as digits as its factorization.

1165045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33299.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1165045 is about 1079.3725028923. The cubic root of 1165045 is about 105.2238610113.

It can be divided in two parts, 11 and 65045, that added together give a palindrome (65056).

The spelling of 1165045 in words is "one million, one hundred sixty-five thousand, forty-five".