32544444145 has 8 divisors (see below), whose sum is σ = 39054367080. Its totient is φ = 26034865920.

The previous prime is 32544444143. The next prime is 32544444157. The reversal of 32544444145 is 54144444523.

It can be written as a sum of positive squares in 4 ways, for example, as 2387690496 + 30156753649 = 48864^2 + 173657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32544444145 - 2¹ = 32544444143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32544444098 and 32544444107.

It is not an unprimeable number, because it can be changed into a prime (32544444143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221215 + ... + 337675.

It is an arithmetic number, because the mean of its divisors is an integer number (4881795885).

Almost surely, 2^32544444145 is an apocalyptic number.

It is an amenable number.

32544444145 is a deficient number, since it is larger than the sum of its proper divisors (6509922935).

32544444145 is a wasteful number, since it uses less digits than its factorization.

32544444145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172355.

The product of its digits is 614400, while the sum is 40.

Adding to 32544444145 its reverse (54144444523), we get a palindrome (86688888668).

The spelling of 32544444145 in words is "thirty-two billion, five hundred forty-four million, four hundred forty-four thousand, one hundred forty-five".