32445443 has 2 divisors, whose sum is σ = 32445444. Its totient is φ = 32445442.

The previous prime is 32445431. The next prime is 32445451. The reversal of 32445443 is 34454423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32445443 - 2¹² = 32441347 is a prime.

It is not a weakly prime, because it can be changed into another prime (32445493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16222721 + 16222722.

It is an arithmetic number, because the mean of its divisors is an integer number (16222722).

Almost surely, 2^32445443 is an apocalyptic number.

32445443 is a deficient number, since it is larger than the sum of its proper divisors (1).

32445443 is an equidigital number, since it uses as much as digits as its factorization.

32445443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 29.

The square root of 32445443 is about 5696.0901502697. The cubic root of 32445443 is about 318.9465455516.

Adding to 32445443 its reverse (34454423), we get a palindrome (66899866).

The spelling of 32445443 in words is "thirty-two million, four hundred forty-five thousand, four hundred forty-three".