2198205145 has 16 divisors (see below), whose sum is σ = 2797400448. Its totient is φ = 1652519680.

The previous prime is 2198205109. The next prime is 2198205161. The reversal of 2198205145 is 5415028912.

It is not a de Polignac number, because 2198205145 - 2⁹ = 2198204633 is a prime.

It is a Duffinian number.

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, 35010 + ... + 74980.

It is an arithmetic number, because the mean of its divisors is an integer number (174837528).

Almost surely, 2^2198205145 is an apocalyptic number.

It is an amenable number.

2198205145 is a deficient number, since it is larger than the sum of its proper divisors (599195303).

2198205145 is a wasteful number, since it uses less digits than its factorization.

2198205145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40640.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 2198205145 is about 46885.0204756274. The cubic root of 2198205145 is about 1300.2376577337.

The spelling of 2198205145 in words is "two billion, one hundred ninety-eight million, two hundred five thousand, one hundred forty-five".