105156418 has 8 divisors (see below), whose sum is σ = 157778748. Its totient is φ = 52563504.

The previous prime is 105156409. The next prime is 105156463. The reversal of 105156418 is 814651501.

It can be written as a sum of positive squares in 2 ways, for example, as 100460529 + 4695889 = 10023^2 + 2167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105156418² = 22115744493181448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105156418.

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, 7980 + ... + 16552.

Almost surely, 2^105156418 is an apocalyptic number.

105156418 is a deficient number, since it is larger than the sum of its proper divisors (52622330).

105156418 is an equidigital number, since it uses as much as digits as its factorization.

105156418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14708.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 105156418 is about 10254.5803424616. The cubic root of 105156418 is about 472.0035460090.

The spelling of 105156418 in words is "one hundred five million, one hundred fifty-six thousand, four hundred eighteen".