105004643 has 4 divisors (see below), whose sum is σ = 105141960. Its totient is φ = 104867328.

The previous prime is 105004639. The next prime is 105004651. The reversal of 105004643 is 346400501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346400501 = 127 ⋅2727563.

It is a cyclic number.

It is not a de Polignac number, because 105004643 - 2² = 105004639 is a prime.

It is a super-3 number, since 3×105004643³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105004673) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 67505 + ... + 69042.

It is an arithmetic number, because the mean of its divisors is an integer number (26285490).

Almost surely, 2^105004643 is an apocalyptic number.

105004643 is a deficient number, since it is larger than the sum of its proper divisors (137317).

105004643 is an equidigital number, since it uses as much as digits as its factorization.

105004643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137316.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 105004643 is about 10247.1773186571. The cubic root of 105004643 is about 471.7763516603.

The spelling of 105004643 in words is "one hundred five million, four thousand, six hundred forty-three".