32145075 has 18 divisors (see below), whose sum is σ = 57575804. Its totient is φ = 17143920.

The previous prime is 32145041. The next prime is 32145077. The reversal of 32145075 is 57054123.

It is a happy number.

It is not a de Polignac number, because 32145075 - 2⁷ = 32144947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32145077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 71209 + ... + 71658.

Almost surely, 2^32145075 is an apocalyptic number.

32145075 is a deficient number, since it is larger than the sum of its proper divisors (25430729).

32145075 is a wasteful number, since it uses less digits than its factorization.

32145075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142883 (or 142875 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 32145075 is about 5669.6626883793. The cubic root of 32145075 is about 317.9592626112.

Adding to 32145075 its reverse (57054123), we get a palindrome (89199198).

The spelling of 32145075 in words is "thirty-two million, one hundred forty-five thousand, seventy-five".