2566074145 has 4 divisors (see below), whose sum is σ = 3079288980. Its totient is φ = 2052859312.

The previous prime is 2566074131. The next prime is 2566074167. The reversal of 2566074145 is 5414706652.

It is a happy number.

2566074145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1785654049 + 780420096 = 42257^2 + 27936^2 .

It is a cyclic number.

It is not a de Polignac number, because 2566074145 - 2¹¹ = 2566072097 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2566074098 and 2566074107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256607410 + ... + 256607419.

It is an arithmetic number, because the mean of its divisors is an integer number (769822245).

Almost surely, 2^2566074145 is an apocalyptic number.

It is an amenable number.

2566074145 is a deficient number, since it is larger than the sum of its proper divisors (513214835).

2566074145 is an equidigital number, since it uses as much as digits as its factorization.

2566074145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513214834.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 2566074145 is about 50656.4324148474. The cubic root of 2566074145 is about 1369.0618446141.

The spelling of 2566074145 in words is "two billion, five hundred sixty-six million, seventy-four thousand, one hundred forty-five".