32133144 has 16 divisors (see below), whose sum is σ = 80332920. Its totient is φ = 10711040.

The previous prime is 32133113. The next prime is 32133173. The reversal of 32133144 is 44133123.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 32133144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669417 + ... + 669464.

Almost surely, 2^32133144 is an apocalyptic number.

It is an amenable number.

32133144 is an abundant number, since it is smaller than the sum of its proper divisors (48199776).

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

32133144 is a wasteful number, since it uses less digits than its factorization.

32133144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338890 (or 1338886 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 32133144 is about 5668.6104117323. The cubic root of 32133144 is about 317.9199197113.

Subtracting from 32133144 its sum of digits (21), we obtain a palindrome (32133123).

Adding to 32133144 its reverse (44133123), we get a palindrome (76266267).

The spelling of 32133144 in words is "thirty-two million, one hundred thirty-three thousand, one hundred forty-four".