190843530345 has 48 divisors (see below), whose sum is σ = 358049804112. Its totient is φ = 93476759040.

The previous prime is 190843530341. The next prime is 190843530347. The reversal of 190843530345 is 543035348091.

190843530345 is a `hidden beast` number, since 1 + 9 + 0 + 84 + 3 + 530 + 34 + 5 = 666.

190843530345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4859205264 + 185984325081 = 69708^2 + 431259^2 .

It is not a de Polignac number, because 190843530345 - 2² = 190843530341 is a prime.

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 190843530345.

It is not an unprimeable number, because it can be changed into a prime (190843530341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 712746 + ... + 943235.

It is an arithmetic number, because the mean of its divisors is an integer number (7459370919).

Almost surely, 2^190843530345 is an apocalyptic number.

190843530345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190843530345 is a deficient number, since it is larger than the sum of its proper divisors (167206273767).

190843530345 is a wasteful number, since it uses less digits than its factorization.

190843530345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656202 (or 1656199 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 190843530345 in words is "one hundred ninety billion, eight hundred forty-three million, five hundred thirty thousand, three hundred forty-five".