104811545 has 16 divisors (see below), whose sum is σ = 133883280. Its totient is φ = 78495744.

The previous prime is 104811541. The next prime is 104811557. The reversal of 104811545 is 545118401.

It can be written as a sum of positive squares in 8 ways, for example, as 17799961 + 87011584 = 4219^2 + 9328^2 .

It is a cyclic number.

It is not a de Polignac number, because 104811545 - 2² = 104811541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104811541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13211 + ... + 19599.

It is an arithmetic number, because the mean of its divisors is an integer number (8367705).

Almost surely, 2^104811545 is an apocalyptic number.

It is an amenable number.

104811545 is a deficient number, since it is larger than the sum of its proper divisors (29071735).

104811545 is a wasteful number, since it uses less digits than its factorization.

104811545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6604.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 104811545 is about 10237.7509737246. The cubic root of 104811545 is about 471.4869836013.

Adding to 104811545 its reverse (545118401), we get a palindrome (649929946).

The spelling of 104811545 in words is "one hundred four million, eight hundred eleven thousand, five hundred forty-five".