105686342 has 4 divisors (see below), whose sum is σ = 158529516. Its totient is φ = 52843170.

The previous prime is 105686327. The next prime is 105686381. The reversal of 105686342 is 243686501.

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

It is a super-2 number, since 2×105686342² = 22339205770681928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26421584 + ... + 26421587.

It is an arithmetic number, because the mean of its divisors is an integer number (39632379).

Almost surely, 2^105686342 is an apocalyptic number.

105686342 is a deficient number, since it is larger than the sum of its proper divisors (52843174).

105686342 is an equidigital number, since it uses as much as digits as its factorization.

105686342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52843173.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 105686342 is about 10280.3862767894. The cubic root of 105686342 is about 472.7950875480.

The spelling of 105686342 in words is "one hundred five million, six hundred eighty-six thousand, three hundred forty-two".