32445316 has 24 divisors (see below), whose sum is σ = 62196120. Its totient is φ = 14740992.

The previous prime is 32445307. The next prime is 32445317. The reversal of 32445316 is 61354423.

It can be written as a sum of positive squares in 4 ways, for example, as 16842816 + 15602500 = 4104^2 + 3950^2 .

It is not an unprimeable number, because it can be changed into a prime (32445317) 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, 6255 + ... + 10198.

It is an arithmetic number, because the mean of its divisors is an integer number (2591505).

Almost surely, 2^32445316 is an apocalyptic number.

It is an amenable number.

32445316 is a deficient number, since it is larger than the sum of its proper divisors (29750804).

32445316 is a wasteful number, since it uses less digits than its factorization.

32445316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16503 (or 16501 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 32445316 is about 5696.0790022611. The cubic root of 32445316 is about 318.9461294042.

Adding to 32445316 its reverse (61354423), we get a palindrome (93799739).

It can be divided in two parts, 32445 and 316, that added together give a square (32761 = 181²).

The spelling of 32445316 in words is "thirty-two million, four hundred forty-five thousand, three hundred sixteen".