105236142 has 32 divisors (see below), whose sum is σ = 231894144. Its totient is φ = 31572000.

The previous prime is 105236141. The next prime is 105236189. The reversal of 105236142 is 241632501.

It is a super-2 number, since 2×105236142² = 22149291166088328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105236141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228 + ... + 14559.

It is an arithmetic number, because the mean of its divisors is an integer number (7246692).

Almost surely, 2^105236142 is an apocalyptic number.

105236142 is an abundant number, since it is smaller than the sum of its proper divisors (126658002).

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

105236142 is a wasteful number, since it uses less digits than its factorization.

105236142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15904.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 105236142 is about 10258.4668445143. The cubic root of 105236142 is about 472.1227985337.

Adding to 105236142 its reverse (241632501), we get a palindrome (346868643).

The spelling of 105236142 in words is "one hundred five million, two hundred thirty-six thousand, one hundred forty-two".