105442342 has 8 divisors (see below), whose sum is σ = 159301800. Its totient is φ = 52341744.

The previous prime is 105442331. The next prime is 105442357. The reversal of 105442342 is 243244501.

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 2×105442342² = 22236174972889928, 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 3 ways as a sum of consecutive naturals, for example, 189367 + ... + 189922.

It is an arithmetic number, because the mean of its divisors is an integer number (19912725).

Almost surely, 2^105442342 is an apocalyptic number.

105442342 is a deficient number, since it is larger than the sum of its proper divisors (53859458).

105442342 is a wasteful number, since it uses less digits than its factorization.

105442342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379430.

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

The square root of 105442342 is about 10268.5121609705. The cubic root of 105442342 is about 472.4309569433.

Adding to 105442342 its reverse (243244501), we get a palindrome (348686843).

The spelling of 105442342 in words is "one hundred five million, four hundred forty-two thousand, three hundred forty-two".