32144442 has 32 divisors (see below), whose sum is σ = 70870464. Its totient is φ = 9638400.

The previous prime is 32144419. The next prime is 32144443. The reversal of 32144442 is 24444123.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (32144443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3892 + ... + 8912.

It is an arithmetic number, because the mean of its divisors is an integer number (2214702).

Almost surely, 2^32144442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32144442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35435232).

32144442 is an abundant number, since it is smaller than the sum of its proper divisors (38726022).

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

32144442 is a wasteful number, since it uses less digits than its factorization.

32144442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134.

The product of its digits is 3072, while the sum is 24.

The square root of 32144442 is about 5669.6068646777. The cubic root of 32144442 is about 317.9571755155.

Adding to 32144442 its reverse (24444123), we get a palindrome (56588565).

The spelling of 32144442 in words is "thirty-two million, one hundred forty-four thousand, four hundred forty-two".