1080084645 has 16 divisors (see below), whose sum is σ = 1920150720. Its totient is φ = 576045072.

The previous prime is 1080084641. The next prime is 1080084661. The reversal of 1080084645 is 5464800801.

1080084645 is a `hidden beast` number, since 1 + 0 + 8 + 0 + 0 + 8 + 4 + 645 = 666.

It is not a de Polignac number, because 1080084645 - 2² = 1080084641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080084641) 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, 4000179 + ... + 4000448.

It is an arithmetic number, because the mean of its divisors is an integer number (120009420).

Almost surely, 2^1080084645 is an apocalyptic number.

1080084645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1080084645 is a deficient number, since it is larger than the sum of its proper divisors (840066075).

1080084645 is an equidigital number, since it uses as much as digits as its factorization.

1080084645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000641 (or 8000635 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1080084645 is about 32864.6412577408. The cubic root of 1080084645 is about 1026.0123711788.

The spelling of 1080084645 in words is "one billion, eighty million, eighty-four thousand, six hundred forty-five".