105142665241 has 4 divisors (see below), whose sum is σ = 105143401012. Its totient is φ = 105141929472.

The previous prime is 105142665181. The next prime is 105142665247. The reversal of 105142665241 is 142566241501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 35533758016 + 69608907225 = 188504^2 + 263835^2 .

It is a cyclic number.

It is not a de Polignac number, because 105142665241 - 2¹³ = 105142657049 is a prime.

It is a super-2 number, since 2×105142665241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105142665241.

It is not an unprimeable number, because it can be changed into a prime (105142665247) 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 3 ways as a sum of consecutive naturals, for example, 76716 + ... + 464941.

It is an arithmetic number, because the mean of its divisors is an integer number (26285850253).

Almost surely, 2^105142665241 is an apocalyptic number.

It is an amenable number.

105142665241 is a deficient number, since it is larger than the sum of its proper divisors (735771).

105142665241 is an equidigital number, since it uses as much as digits as its factorization.

105142665241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735770.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 105142665241 in words is "one hundred five billion, one hundred forty-two million, six hundred sixty-five thousand, two hundred forty-one".