105204442 has 16 divisors (see below), whose sum is σ = 184750272. Its totient is φ = 43987680.

The previous prime is 105204439. The next prime is 105204457. The reversal of 105204442 is 244402501.

It is a happy number.

It is a super-2 number, since 2×105204442² = 22135949233062728, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 91068 + ... + 92215.

It is an arithmetic number, because the mean of its divisors is an integer number (11546892).

Almost surely, 2^105204442 is an apocalyptic number.

105204442 is a deficient number, since it is larger than the sum of its proper divisors (79545830).

105204442 is a wasteful number, since it uses less digits than its factorization.

105204442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183333.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 105204442 is about 10256.9216629552. The cubic root of 105204442 is about 472.0753883461.

Adding to 105204442 its reverse (244402501), we get a palindrome (349606943).

The spelling of 105204442 in words is "one hundred five million, two hundred four thousand, four hundred forty-two".