105306342 has 16 divisors (see below), whose sum is σ = 210713520. Its totient is φ = 35085312.

The previous prime is 105306319. The next prime is 105306353. The reversal of 105306342 is 243603501.

It is a happy number.

It is a super-2 number, since 2×105306342² = 22178851330841928, 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 in 7 ways as a sum of consecutive naturals, for example, 21078 + ... + 25590.

It is an arithmetic number, because the mean of its divisors is an integer number (13169595).

Almost surely, 2^105306342 is an apocalyptic number.

105306342 is an abundant number, since it is smaller than the sum of its proper divisors (105407178).

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

105306342 is a wasteful number, since it uses less digits than its factorization.

105306342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8407.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 105306342 is about 10261.8878380150. The cubic root of 105306342 is about 472.2277550406.

Adding to 105306342 its reverse (243603501), we get a palindrome (348909843).

The spelling of 105306342 in words is "one hundred five million, three hundred six thousand, three hundred forty-two".