2045342205 has 16 divisors (see below), whose sum is σ = 3636164160. Its totient is φ = 1090849104.

The previous prime is 2045342179. The next prime is 2045342207. The reversal of 2045342205 is 5022435402.

It is a happy number.

2045342205 is a `hidden beast` number, since 2 + 0 + 453 + 4 + 2 + 205 = 666.

It is not a de Polignac number, because 2045342205 - 2¹⁵ = 2045309437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045342207) 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, 7575207 + ... + 7575476.

It is an arithmetic number, because the mean of its divisors is an integer number (227260260).

Almost surely, 2^2045342205 is an apocalyptic number.

It is an amenable number.

2045342205 is a deficient number, since it is larger than the sum of its proper divisors (1590821955).

2045342205 is a wasteful number, since it uses less digits than its factorization.

2045342205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15150697 (or 15150691 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2045342205 is about 45225.4596991562. The cubic root of 2045342205 is about 1269.3712565536.

Adding to 2045342205 its reverse (5022435402), we get a palindrome (7067777607).

The spelling of 2045342205 in words is "two billion, forty-five million, three hundred forty-two thousand, two hundred five".