581008045 has 32 divisors (see below), whose sum is σ = 742072320. Its totient is φ = 436000320.

The previous prime is 581008039. The next prime is 581008063. The reversal of 581008045 is 540800185.

581008045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 581008045 - 2⁵ = 581008013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 581007998 and 581008016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1192792 + ... + 1193278.

It is an arithmetic number, because the mean of its divisors is an integer number (23189760).

Almost surely, 2^581008045 is an apocalyptic number.

It is an amenable number.

581008045 is a deficient number, since it is larger than the sum of its proper divisors (161064275).

581008045 is a wasteful number, since it uses less digits than its factorization.

581008045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 581008045 is about 24104.1084672302. The cubic root of 581008045 is about 834.4379522889.

The spelling of 581008045 in words is "five hundred eighty-one million, eight thousand, forty-five".