105239342 has 12 divisors (see below), whose sum is σ = 170936640. Its totient is φ = 48571848.

The previous prime is 105239341. The next prime is 105239353. The reversal of 105239342 is 243932501.

It is a super-2 number, since 2×105239342² = 22150638209185928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105239341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155342 + ... + 156017.

It is an arithmetic number, because the mean of its divisors is an integer number (14244720).

Almost surely, 2^105239342 is an apocalyptic number.

105239342 is a deficient number, since it is larger than the sum of its proper divisors (65697298).

105239342 is a wasteful number, since it uses less digits than its factorization.

105239342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311387 (or 311374 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 105239342 is about 10258.6228120543. The cubic root of 105239342 is about 472.1275838911.

The spelling of 105239342 in words is "one hundred five million, two hundred thirty-nine thousand, three hundred forty-two".