2045022045 has 32 divisors (see below), whose sum is σ = 3614699520. Its totient is φ = 978968640.

The previous prime is 2045022037. The next prime is 2045022103. The reversal of 2045022045 is 5402205402.

It is a happy number.

It is not a de Polignac number, because 2045022045 - 2³ = 2045022037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65409 + ... + 91478.

It is an arithmetic number, because the mean of its divisors is an integer number (112959360).

Almost surely, 2^2045022045 is an apocalyptic number.

It is an amenable number.

2045022045 is a deficient number, since it is larger than the sum of its proper divisors (1569677475).

2045022045 is a wasteful number, since it uses less digits than its factorization.

2045022045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156985.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 2045022045 is about 45221.9199614523. The cubic root of 2045022045 is about 1269.3050210018.

Adding to 2045022045 its reverse (5402205402), we get a palindrome (7447227447).

The spelling of 2045022045 in words is "two billion, forty-five million, twenty-two thousand, forty-five".