105145604205 has 16 divisors (see below), whose sum is σ = 171812392704. Its totient is φ = 54884513600.

The previous prime is 105145604203. The next prime is 105145604237. The reversal of 105145604205 is 502406541501.

It is not a de Polignac number, because 105145604205 - 2¹ = 105145604203 is a prime.

It is a super-2 number, since 2×105145604205² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105145604203) 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 15 ways as a sum of consecutive naturals, for example, 74570646 + ... + 74572055.

It is an arithmetic number, because the mean of its divisors is an integer number (10738274544).

Almost surely, 2^105145604205 is an apocalyptic number.

105145604205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105145604205 is a deficient number, since it is larger than the sum of its proper divisors (66666788499).

105145604205 is a wasteful number, since it uses less digits than its factorization.

105145604205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149142756.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 105145604205 in words is "one hundred five billion, one hundred forty-five million, six hundred four thousand, two hundred five".