18052145 has 8 divisors (see below), whose sum is σ = 21986304. Its totient is φ = 14225904.

The previous prime is 18052127. The next prime is 18052159. The reversal of 18052145 is 54125081.

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 18052145 - 2¹² = 18048049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26609 + ... + 27278.

It is an arithmetic number, because the mean of its divisors is an integer number (2748288).

Almost surely, 2^18052145 is an apocalyptic number.

It is an amenable number.

18052145 is a deficient number, since it is larger than the sum of its proper divisors (3934159).

18052145 is an equidigital number, since it uses as much as digits as its factorization.

18052145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53959.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 18052145 is about 4248.7815900561. The cubic root of 18052145 is about 262.3269668429.

It can be divided in two parts, 180 and 52145, that added together give a palindrome (52325).

The spelling of 18052145 in words is "eighteen million, fifty-two thousand, one hundred forty-five".