105783205144 has 32 divisors (see below), whose sum is σ = 201873016800. Its totient is φ = 51952792320.

The previous prime is 105783205123. The next prime is 105783205159. The reversal of 105783205144 is 441502387501.

It is a super-2 number, since 2×105783205144² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105783205097 and 105783205106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205692 + ... + 503860.

It is an arithmetic number, because the mean of its divisors is an integer number (6308531775).

Almost surely, 2^105783205144 is an apocalyptic number.

It is an amenable number.

105783205144 is a deficient number, since it is larger than the sum of its proper divisors (96089811656).

105783205144 is a wasteful number, since it uses less digits than its factorization.

105783205144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298963 (or 298959 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 105783205144 in words is "one hundred five billion, seven hundred eighty-three million, two hundred five thousand, one hundred forty-four".