105440455 has 16 divisors (see below), whose sum is σ = 131975424. Its totient is φ = 80778240.

The previous prime is 105440407. The next prime is 105440509. The reversal of 105440455 is 554044501.

It is not a de Polignac number, because 105440455 - 2¹¹ = 105438407 is a prime.

It is a super-2 number, since 2×105440455² = 22235379101214050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11529 + ... + 18541.

It is an arithmetic number, because the mean of its divisors is an integer number (8248464).

Almost surely, 2^105440455 is an apocalyptic number.

105440455 is a deficient number, since it is larger than the sum of its proper divisors (26534969).

105440455 is an equidigital number, since it uses as much as digits as its factorization.

105440455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7146.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 105440455 is about 10268.4202777253. The cubic root of 105440455 is about 472.4281387126.

Adding to 105440455 its reverse (554044501), we get a palindrome (659484956).

The spelling of 105440455 in words is "one hundred five million, four hundred forty thousand, four hundred fifty-five".