2265445345 has 16 divisors (see below), whose sum is σ = 2839599360. Its totient is φ = 1732860864.

The previous prime is 2265445321. The next prime is 2265445397. The reversal of 2265445345 is 5435445622.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2265445345 - 2²⁷ = 2131227617 is a prime.

It is a super-2 number, since 2×2265445345² = 10264485222364338050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2265445298 and 2265445307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60909 + ... + 90778.

It is an arithmetic number, because the mean of its divisors is an integer number (177474960).

Almost surely, 2^2265445345 is an apocalyptic number.

It is an amenable number.

2265445345 is a deficient number, since it is larger than the sum of its proper divisors (574154015).

2265445345 is a wasteful number, since it uses less digits than its factorization.

2265445345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151824.

The product of its digits is 576000, while the sum is 40.

The square root of 2265445345 is about 47596.6946856607. The cubic root of 2265445345 is about 1313.3622514969.

The spelling of 2265445345 in words is "two billion, two hundred sixty-five million, four hundred forty-five thousand, three hundred forty-five".