32144887645 has 8 divisors (see below), whose sum is σ = 41541085656. Its totient is φ = 23737763136.

The previous prime is 32144887637. The next prime is 32144887669. The reversal of 32144887645 is 54678844123.

It can be written as a sum of positive squares in 4 ways, for example, as 6633450916 + 25511436729 = 81446^2 + 159723^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 32144887645 - 2³ = 32144887637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32144887592 and 32144887601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247268302 + ... + 247268431.

It is an arithmetic number, because the mean of its divisors is an integer number (5192635707).

Almost surely, 2^32144887645 is an apocalyptic number.

It is an amenable number.

32144887645 is a deficient number, since it is larger than the sum of its proper divisors (9396198011).

32144887645 is a wasteful number, since it uses less digits than its factorization.

32144887645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494536751.

The product of its digits is 5160960, while the sum is 52.

The spelling of 32144887645 in words is "thirty-two billion, one hundred forty-four million, eight hundred eighty-seven thousand, six hundred forty-five".