5645381282 has 6 divisors (see below), whose sum is σ = 8468231313. Its totient is φ = 2822637512.

The previous prime is 5645381249. The next prime is 5645381293. The reversal of 5645381282 is 2821835465.

It can be written as a sum of positive squares in 2 ways, for example, as 4636111921 + 1009269361 = 68089^2 + 31769^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=53129.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 79694 + ... + 132822.

Almost surely, 2^5645381282 is an apocalyptic number.

5645381282 is a deficient number, since it is larger than the sum of its proper divisors (2822850031).

5645381282 is an frugal number, since it uses more digits than its factorization.

5645381282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106260 (or 53131 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 5645381282 is about 75135.7523553202. The cubic root of 5645381282 is about 1780.5920348961.

The spelling of 5645381282 in words is "five billion, six hundred forty-five million, three hundred eighty-one thousand, two hundred eighty-two".