104206545 has 48 divisors (see below), whose sum is σ = 191231040. Its totient is φ = 52348032.

The previous prime is 104206523. The next prime is 104206559. The reversal of 104206545 is 545602401.

104206545 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 0 + 654 + 5 = 666.

It is not a de Polignac number, because 104206545 - 2⁵ = 104206513 is a prime.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 262287 + ... + 262683.

It is an arithmetic number, because the mean of its divisors is an integer number (3983980).

Almost surely, 2^104206545 is an apocalyptic number.

104206545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104206545 is a deficient number, since it is larger than the sum of its proper divisors (87024495).

104206545 is a wasteful number, since it uses less digits than its factorization.

104206545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 104206545 is about 10208.1607060234. The cubic root of 104206545 is about 470.5780498975.

Adding to 104206545 its reverse (545602401), we get a palindrome (649808946).

The spelling of 104206545 in words is "one hundred four million, two hundred six thousand, five hundred forty-five".