32529145 has 16 divisors (see below), whose sum is σ = 42928128. Its totient is φ = 23466240.

The previous prime is 32529127. The next prime is 32529169. The reversal of 32529145 is 54192523.

It is a de Polignac number, because none of the positive numbers 2^k-32529145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4657 + ... + 9313.

It is an arithmetic number, because the mean of its divisors is an integer number (2683008).

Almost surely, 2^32529145 is an apocalyptic number.

32529145 is the 4657-th pentagonal number.

It is an amenable number.

32529145 is a deficient number, since it is larger than the sum of its proper divisors (10398983).

32529145 is a wasteful number, since it uses less digits than its factorization.

32529145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800.

The product of its digits is 10800, while the sum is 31.

The square root of 32529145 is about 5703.4327382726. The cubic root of 32529145 is about 319.2205803329.

The spelling of 32529145 in words is "thirty-two million, five hundred twenty-nine thousand, one hundred forty-five".