2285443945 has 16 divisors (see below), whose sum is σ = 2759912640. Its totient is φ = 1816801344.

The previous prime is 2285443933. The next prime is 2285443973. The reversal of 2285443945 is 5493445822.

It is a cyclic number.

It is not a de Polignac number, because 2285443945 - 2⁷ = 2285443817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2285443895 and 2285443904.

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, 700939 + ... + 704191.

It is an arithmetic number, because the mean of its divisors is an integer number (172494540).

Almost surely, 2^2285443945 is an apocalyptic number.

It is an amenable number.

2285443945 is a deficient number, since it is larger than the sum of its proper divisors (474468695).

2285443945 is a wasteful number, since it uses less digits than its factorization.

2285443945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104.

The product of its digits is 1382400, while the sum is 46.

The square root of 2285443945 is about 47806.3169989072. The cubic root of 2285443945 is about 1317.2155771091.

The spelling of 2285443945 in words is "two billion, two hundred eighty-five million, four hundred forty-three thousand, nine hundred forty-five".