105242204145 has 64 divisors (see below), whose sum is σ = 184877925120. Its totient is φ = 50802066432.

The previous prime is 105242204047. The next prime is 105242204173. The reversal of 105242204145 is 541402242501.

It is not a de Polignac number, because 105242204145 - 2¹⁶ = 105242138609 is a prime.

It is a super-2 number, since 2×105242204145² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31199679 + ... + 31203051.

It is an arithmetic number, because the mean of its divisors is an integer number (2888717580).

Almost surely, 2^105242204145 is an apocalyptic number.

105242204145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105242204145 is a deficient number, since it is larger than the sum of its proper divisors (79635720975).

105242204145 is a wasteful number, since it uses less digits than its factorization.

105242204145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 105242204145 its reverse (541402242501), we get a palindrome (646644446646).

The spelling of 105242204145 in words is "one hundred five billion, two hundred forty-two million, two hundred four thousand, one hundred forty-five".