30045 has 8 divisors (see below), whose sum is σ = 48096. Its totient is φ = 16016.

The previous prime is 30029. The next prime is 30047. The reversal of 30045 is 54003.

30045 is nontrivially palindromic in base 4.

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 30045 - 2⁴ = 30029 is a prime.

30045 is a modest number, since divided by 45 gives 30 as remainder.

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 30045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30047) 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, 987 + ... + 1016.

It is an arithmetic number, because the mean of its divisors is an integer number (6012).

2³⁰⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

30045 is a deficient number, since it is larger than the sum of its proper divisors (18051).

30045 is a wasteful number, since it uses less digits than its factorization.

30045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 30045 is about 173.3349358900. The cubic root of 30045 is about 31.0878534605.

Adding to 30045 its reverse (54003), we get a palindrome (84048).

The spelling of 30045 in words is "thirty thousand, forty-five".