105440241 has 4 divisors (see below), whose sum is σ = 140586992. Its totient is φ = 70293492.

The previous prime is 105440227. The next prime is 105440243. The reversal of 105440241 is 142044501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142044501 = 3 ⋅47348167.

It is not a de Polignac number, because 105440241 - 2¹⁹ = 104915953 is a prime.

It is a super-2 number, since 2×105440241² = 22235288844276162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105440243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17573371 + ... + 17573376.

It is an arithmetic number, because the mean of its divisors is an integer number (35146748).

Almost surely, 2^105440241 is an apocalyptic number.

It is an amenable number.

105440241 is a deficient number, since it is larger than the sum of its proper divisors (35146751).

105440241 is an equidigital number, since it uses as much as digits as its factorization.

105440241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35146750.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 105440241 is about 10268.4098574219. The cubic root of 105440241 is about 472.4278191019.

Adding to 105440241 its reverse (142044501), we get a palindrome (247484742).

The spelling of 105440241 in words is "one hundred five million, four hundred forty thousand, two hundred forty-one".