32545232172 has 18 divisors (see below), whose sum is σ = 82267114748. Its totient is φ = 10848410712.

The previous prime is 32545232141. The next prime is 32545232233. The reversal of 32545232172 is 27123254523.

32545232172 is a `hidden beast` number, since 3 + 2 + 5 + 452 + 32 + 172 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 904034227 = 32545232172 / (3 + 2 + 5 + 4 + 5 + 2 + 3 + 2 + 1 + 7 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 452017078 + ... + 452017149.

Almost surely, 2^32545232172 is an apocalyptic number.

It is an amenable number.

32545232172 is an abundant number, since it is smaller than the sum of its proper divisors (49721882576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32545232172 is a wasteful number, since it uses less digits than its factorization.

32545232172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904034237 (or 904034232 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

Adding to 32545232172 its reverse (27123254523), we get a palindrome (59668486695).

The spelling of 32545232172 in words is "thirty-two billion, five hundred forty-five million, two hundred thirty-two thousand, one hundred seventy-two".