105304861845 has 24 divisors (see below), whose sum is σ = 183621424896. Its totient is φ = 55826286048.

The previous prime is 105304861813. The next prime is 105304861859. The reversal of 105304861845 is 548168403501.

105304861845 is a `hidden beast` number, since 10 + 530 + 4 + 8 + 61 + 8 + 45 = 666.

It is not a de Polignac number, because 105304861845 - 2⁵ = 105304861813 is a prime.

It is a super-2 number, since 2×105304861845² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 105304861845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6998797 + ... + 7013826.

It is an arithmetic number, because the mean of its divisors is an integer number (7650892704).

Almost surely, 2^105304861845 is an apocalyptic number.

105304861845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105304861845 is a deficient number, since it is larger than the sum of its proper divisors (78316563051).

105304861845 is a wasteful number, since it uses less digits than its factorization.

105304861845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14012801 (or 14012798 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 105304861845 in words is "one hundred five billion, three hundred four million, eight hundred sixty-one thousand, eight hundred forty-five".