105442234 has 8 divisors (see below), whose sum is σ = 159225300. Its totient is φ = 52367136.

The previous prime is 105442219. The next prime is 105442241. The reversal of 105442234 is 432244501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102961609 + 2480625 = 10147^2 + 1575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105442234² = 22236129421821512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105442199 and 105442208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176619 + ... + 177214.

Almost surely, 2^105442234 is an apocalyptic number.

105442234 is a deficient number, since it is larger than the sum of its proper divisors (53783066).

105442234 is a wasteful number, since it uses less digits than its factorization.

105442234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353984.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 105442234 is about 10268.5069021742. The cubic root of 105442234 is about 472.4307956464.

Adding to 105442234 its reverse (432244501), we get a palindrome (537686735).

The spelling of 105442234 in words is "one hundred five million, four hundred forty-two thousand, two hundred thirty-four".