2205154345 has 16 divisors (see below), whose sum is σ = 2881512000. Its totient is φ = 1613642688.

The previous prime is 2205154283. The next prime is 2205154349. The reversal of 2205154345 is 5434515022.

It is a cyclic number.

It is not a de Polignac number, because 2205154345 - 2²¹ = 2203057193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2205154349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397455 + ... + 402964.

It is an arithmetic number, because the mean of its divisors is an integer number (180094500).

Almost surely, 2^2205154345 is an apocalyptic number.

It is an amenable number.

2205154345 is a deficient number, since it is larger than the sum of its proper divisors (676357655).

2205154345 is a wasteful number, since it uses less digits than its factorization.

2205154345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800472.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2205154345 is about 46959.0709554608. The cubic root of 2205154345 is about 1301.6063663205.

Adding to 2205154345 its reverse (5434515022), we get a palindrome (7639669367).

The spelling of 2205154345 in words is "two billion, two hundred five million, one hundred fifty-four thousand, three hundred forty-five".