32855144 has 32 divisors (see below), whose sum is σ = 72835200. Its totient is φ = 13594560.

The previous prime is 32855143. The next prime is 32855167. The reversal of 32855144 is 44155823.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 32855144.

It is not an unprimeable number, because it can be changed into a prime (32855143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8492 + ... + 11739.

It is an arithmetic number, because the mean of its divisors is an integer number (2276100).

Almost surely, 2^32855144 is an apocalyptic number.

It is an amenable number.

32855144 is an abundant number, since it is smaller than the sum of its proper divisors (39980056).

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

32855144 is a wasteful number, since it uses less digits than its factorization.

32855144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20273 (or 20269 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 32855144 is about 5731.9406835731. The cubic root of 32855144 is about 320.2834207780.

The spelling of 32855144 in words is "thirty-two million, eight hundred fifty-five thousand, one hundred forty-four".