105141445 has 4 divisors (see below), whose sum is σ = 126169740. Its totient is φ = 84113152.

The previous prime is 105141437. The next prime is 105141467. The reversal of 105141445 is 544141501.

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 28718881 + 76422564 = 5359^2 + 8742^2 .

It is a cyclic number.

It is not a de Polignac number, because 105141445 - 2³ = 105141437 is a prime.

It is a super-2 number, since 2×105141445² = 22109446913376050, which 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10514140 + ... + 10514149.

It is an arithmetic number, because the mean of its divisors is an integer number (31542435).

Almost surely, 2^105141445 is an apocalyptic number.

It is an amenable number.

105141445 is a deficient number, since it is larger than the sum of its proper divisors (21028295).

105141445 is an equidigital number, since it uses as much as digits as its factorization.

105141445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21028294.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 105141445 is about 10253.8502524661. The cubic root of 105141445 is about 471.9811424167.

Adding to 105141445 its reverse (544141501), we get a palindrome (649282946).

The spelling of 105141445 in words is "one hundred five million, one hundred forty-one thousand, four hundred forty-five".