105158436 has 12 divisors (see below), whose sum is σ = 245369712. Its totient is φ = 35052808.

The previous prime is 105158419. The next prime is 105158497. The reversal of 105158436 is 634851501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×105158436² = 22116593323932192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105158397 and 105158406.

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 in 3 ways as a sum of consecutive naturals, for example, 4381590 + ... + 4381613.

It is an arithmetic number, because the mean of its divisors is an integer number (20447476).

Almost surely, 2^105158436 is an apocalyptic number.

It is an amenable number.

105158436 is an abundant number, since it is smaller than the sum of its proper divisors (140211276).

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

105158436 is a wasteful number, since it uses less digits than its factorization.

105158436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8763210 (or 8763208 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 105158436 is about 10254.6787370449. The cubic root of 105158436 is about 472.0065653113.

It can be divided in two parts, 10515 and 8436, that multiplied together give a triangular number (88704540 = T₁₃₃₁₉).

The spelling of 105158436 in words is "one hundred five million, one hundred fifty-eight thousand, four hundred thirty-six".