105234142 has 16 divisors (see below), whose sum is σ = 174589632. Its totient is φ = 47256480.

The previous prime is 105234137. The next prime is 105234149. The reversal of 105234142 is 241432501.

It is a super-2 number, since 2×105234142² = 22148449284952328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105234149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53734 + ... + 55657.

It is an arithmetic number, because the mean of its divisors is an integer number (10911852).

Almost surely, 2^105234142 is an apocalyptic number.

105234142 is a deficient number, since it is larger than the sum of its proper divisors (69355490).

105234142 is a wasteful number, since it uses less digits than its factorization.

105234142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109443.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 105234142 is about 10258.3693635977. The cubic root of 105234142 is about 472.1198076361.

Adding to 105234142 its reverse (241432501), we get a palindrome (346666643).

The spelling of 105234142 in words is "one hundred five million, two hundred thirty-four thousand, one hundred forty-two".