105442146 has 12 divisors (see below), whose sum is σ = 228458022. Its totient is φ = 35147376.

The previous prime is 105442111. The next prime is 105442151. The reversal of 105442146 is 641244501.

It can be written as a sum of positive squares in only one way, i.e., 72437121 + 33005025 = 8511^2 + 5745^2 .

It is a super-2 number, since 2×105442146² = 22236092306170632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2928931 + ... + 2928966.

Almost surely, 2^105442146 is an apocalyptic number.

105442146 is an abundant number, since it is smaller than the sum of its proper divisors (123015876).

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

105442146 is a wasteful number, since it uses less digits than its factorization.

105442146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857905 (or 5857902 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 105442146 is about 10268.5026172271. The cubic root of 105442146 is about 472.4306642192.

Adding to 105442146 its reverse (641244501), we get a palindrome (746686647).

The spelling of 105442146 in words is "one hundred five million, four hundred forty-two thousand, one hundred forty-six".