2585198145 has 16 divisors (see below), whose sum is σ = 4136974272. Its totient is φ = 1378553280.

The previous prime is 2585198089. The next prime is 2585198173. The reversal of 2585198145 is 5418915852.

2585198145 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 2585198145 - 2⁸ = 2585197889 is a prime.

It is a super-2 number, since 2×2585198145² = 13366498897822882050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2585198094 and 2585198103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138255 + ... + 155835.

It is an arithmetic number, because the mean of its divisors is an integer number (258560892).

Almost surely, 2^2585198145 is an apocalyptic number.

It is an amenable number.

2585198145 is a deficient number, since it is larger than the sum of its proper divisors (1551776127).

2585198145 is a wasteful number, since it uses less digits than its factorization.

2585198145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27392.

The product of its digits is 576000, while the sum is 48.

The square root of 2585198145 is about 50844.8438388791. The cubic root of 2585198145 is about 1372.4544674528.

The spelling of 2585198145 in words is "two billion, five hundred eighty-five million, one hundred ninety-eight thousand, one hundred forty-five".