32113152 has 160 divisors (see below), whose sum is σ = 100172160. Its totient is φ = 10137600.

The previous prime is 32113139. The next prime is 32113163. The reversal of 32113152 is 25131123.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317902 + ... + 318002.

It is an arithmetic number, because the mean of its divisors is an integer number (626076).

Almost surely, 2^32113152 is an apocalyptic number.

32113152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32113152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50086080).

32113152 is an abundant number, since it is smaller than the sum of its proper divisors (68059008).

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

32113152 is a wasteful number, since it uses less digits than its factorization.

32113152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 129 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 32113152 is about 5666.8467422368. The cubic root of 32113152 is about 317.8539735384.

Adding to 32113152 its reverse (25131123), we get a palindrome (57244275).

The spelling of 32113152 in words is "thirty-two million, one hundred thirteen thousand, one hundred fifty-two".