105132142 has 4 divisors (see below), whose sum is σ = 157698216. Its totient is φ = 52566070.

The previous prime is 105132127. The next prime is 105132161. The reversal of 105132142 is 241231501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241231501 = 7 ⋅34461643.

It is a super-2 number, since 2×105132142² = 22105534563016328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26283034 + ... + 26283037.

It is an arithmetic number, because the mean of its divisors is an integer number (39424554).

Almost surely, 2^105132142 is an apocalyptic number.

105132142 is a deficient number, since it is larger than the sum of its proper divisors (52566074).

105132142 is an equidigital number, since it uses as much as digits as its factorization.

105132142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52566073.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 105132142 is about 10253.3966079539. The cubic root of 105132142 is about 471.9672215818.

Adding to 105132142 its reverse (241231501), we get a palindrome (346363643).

The spelling of 105132142 in words is "one hundred five million, one hundred thirty-two thousand, one hundred forty-two".