1145686806 has 36 divisors (see below), whose sum is σ = 2728507236. Its totient is φ = 347177160.

The previous prime is 1145686799. The next prime is 1145686823. The reversal of 1145686806 is 6086865411.

1145686806 is a `hidden beast` number, since 1 + 1 + 4 + 568 + 6 + 80 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 260836 + ... + 265191.

Almost surely, 2^1145686806 is an apocalyptic number.

1145686806 is an abundant number, since it is smaller than the sum of its proper divisors (1582820430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145686806 is a wasteful number, since it uses less digits than its factorization.

1145686806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526057 (or 526043 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 1145686806 is about 33847.9955979671. The cubic root of 1145686806 is about 1046.3780895151.

The spelling of 1145686806 in words is "one billion, one hundred forty-five million, six hundred eighty-six thousand, eight hundred six".