5281585145 has 8 divisors (see below), whose sum is σ = 6339224256. Its totient is φ = 4224386736.

The previous prime is 5281585093. The next prime is 5281585157. The reversal of 5281585145 is 5415851825.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5281585145 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5281585096 and 5281585105.

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, 83207 + ... + 132236.

It is an arithmetic number, because the mean of its divisors is an integer number (792403032).

Almost surely, 2^5281585145 is an apocalyptic number.

It is an amenable number.

5281585145 is a deficient number, since it is larger than the sum of its proper divisors (1057639111).

5281585145 is a wasteful number, since it uses less digits than its factorization.

5281585145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220351.

The product of its digits is 320000, while the sum is 44.

The square root of 5281585145 is about 72674.5150998615. The cubic root of 5281585145 is about 1741.4917784248.

The spelling of 5281585145 in words is "five billion, two hundred eighty-one million, five hundred eighty-five thousand, one hundred forty-five".