105142892 has 12 divisors (see below), whose sum is σ = 194823720. Its totient is φ = 49478976.

The previous prime is 105142889. The next prime is 105142907. The reversal of 105142892 is 298241501.

It is a super-2 number, since 2×105142892² = 22110055476247328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773042 + ... + 773177.

It is an arithmetic number, because the mean of its divisors is an integer number (16235310).

Almost surely, 2^105142892 is an apocalyptic number.

It is an amenable number.

105142892 is a deficient number, since it is larger than the sum of its proper divisors (89680828).

105142892 is a wasteful number, since it uses less digits than its factorization.

105142892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546240 (or 1546238 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 105142892 is about 10253.9208110849. The cubic root of 105142892 is about 471.9833076066.

The spelling of 105142892 in words is "one hundred five million, one hundred forty-two thousand, eight hundred ninety-two".