105342438 has 64 divisors (see below), whose sum is σ = 236017152. Its totient is φ = 31173120.

The previous prime is 105342437. The next prime is 105342443. The reversal of 105342438 is 834243501.

It is a super-2 number, since 2×105342438² = 22194058487567688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105342437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194448 + ... + 194988.

It is an arithmetic number, because the mean of its divisors is an integer number (3687768).

Almost surely, 2^105342438 is an apocalyptic number.

105342438 is an abundant number, since it is smaller than the sum of its proper divisors (130674714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105342438 is a wasteful number, since it uses less digits than its factorization.

105342438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 105342438 is about 10263.6464280489. The cubic root of 105342438 is about 472.2817042632.

Adding to 105342438 its reverse (834243501), we get a palindrome (939585939).

The spelling of 105342438 in words is "one hundred five million, three hundred forty-two thousand, four hundred thirty-eight".