2045055345 has 16 divisors (see below), whose sum is σ = 3327549120. Its totient is φ = 1072209344.

The previous prime is 2045055293. The next prime is 2045055377. The reversal of 2045055345 is 5435505402.

It is a cyclic number.

It is not a de Polignac number, because 2045055345 - 2⁷ = 2045055217 is a prime.

It is a super-2 number, since 2×2045055345² = 8364502728226138050, which contains 22 as substring.

It is a Curzon 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, 1154514 + ... + 1156283.

It is an arithmetic number, because the mean of its divisors is an integer number (207971820).

Almost surely, 2^2045055345 is an apocalyptic number.

It is an amenable number.

2045055345 is a deficient number, since it is larger than the sum of its proper divisors (1282493775).

2045055345 is a wasteful number, since it uses less digits than its factorization.

2045055345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310864.

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 2045055345 is about 45222.2881442326. The cubic root of 2045055345 is about 1269.3119105165.

The spelling of 2045055345 in words is "two billion, forty-five million, fifty-five thousand, three hundred forty-five".