105452219 has 4 divisors (see below), whose sum is σ = 105482544. Its totient is φ = 105421896.

The previous prime is 105452213. The next prime is 105452231. The reversal of 105452219 is 912254501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105452219 - 2²⁰ = 104403643 is a prime.

It is a super-2 number, since 2×105452219² = 22240340984047922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105452191 and 105452200.

It is not an unprimeable number, because it can be changed into a prime (105452213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9152 + ... + 17165.

It is an arithmetic number, because the mean of its divisors is an integer number (26370636).

Almost surely, 2^105452219 is an apocalyptic number.

105452219 is a deficient number, since it is larger than the sum of its proper divisors (30325).

105452219 is an equidigital number, since it uses as much as digits as its factorization.

105452219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30324.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 105452219 is about 10268.9930859846. The cubic root of 105452219 is about 472.4457076743.

The spelling of 105452219 in words is "one hundred five million, four hundred fifty-two thousand, two hundred nineteen".