105130200445 has 4 divisors (see below), whose sum is σ = 126156240540. Its totient is φ = 84104160352.

The previous prime is 105130200437. The next prime is 105130200451. The reversal of 105130200445 is 544002031501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28621534041 + 76508666404 = 169179^2 + 276602^2 .

It is a cyclic number.

It is not a de Polignac number, because 105130200445 - 2³ = 105130200437 is a prime.

It is a super-2 number, since 2×105130200445² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10513020040 + ... + 10513020049.

It is an arithmetic number, because the mean of its divisors is an integer number (31539060135).

Almost surely, 2^105130200445 is an apocalyptic number.

It is an amenable number.

105130200445 is a deficient number, since it is larger than the sum of its proper divisors (21026040095).

105130200445 is an equidigital number, since it uses as much as digits as its factorization.

105130200445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026040094.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 105130200445 its reverse (544002031501), we get a palindrome (649132231946).

The spelling of 105130200445 in words is "one hundred five billion, one hundred thirty million, two hundred thousand, four hundred forty-five".