105442238 has 8 divisors (see below), whose sum is σ = 172541880. Its totient is φ = 47928280.

The previous prime is 105442219. The next prime is 105442241. The reversal of 105442238 is 832244501.

It is a happy number.

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

It is a super-2 number, since 2×105442238² = 22236131108897288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105442238.

It is a congruent number.

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, 2396393 + ... + 2396436.

It is an arithmetic number, because the mean of its divisors is an integer number (21567735).

Almost surely, 2^105442238 is an apocalyptic number.

105442238 is a deficient number, since it is larger than the sum of its proper divisors (67099642).

105442238 is a wasteful number, since it uses less digits than its factorization.

105442238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792842.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 105442238 is about 10268.5070969445. The cubic root of 105442238 is about 472.4308016203.

Adding to 105442238 its reverse (832244501), we get a palindrome (937686739).

The spelling of 105442238 in words is "one hundred five million, four hundred forty-two thousand, two hundred thirty-eight".