32004145 has 8 divisors (see below), whose sum is σ = 38435904. Its totient is φ = 25582704.

The previous prime is 32004143. The next prime is 32004221. The reversal of 32004145 is 54140023.

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 32004145 - 2¹ = 32004143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32004143) by changing a digit.

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, 8902 + ... + 11968.

It is an arithmetic number, because the mean of its divisors is an integer number (4804488).

Almost surely, 2^32004145 is an apocalyptic number.

It is an amenable number.

32004145 is a deficient number, since it is larger than the sum of its proper divisors (6431759).

32004145 is a wasteful number, since it uses less digits than its factorization.

32004145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 32004145 is about 5657.2206073301. The cubic root of 32004145 is about 317.4939176713.

Adding to 32004145 its reverse (54140023), we get a palindrome (86144168).

The spelling of 32004145 in words is "thirty-two million, four thousand, one hundred forty-five".