104155445 has 8 divisors (see below), whose sum is σ = 125387736. Its totient is φ = 83056896.

The previous prime is 104155433. The next prime is 104155463. The reversal of 104155445 is 544551401.

It can be written as a sum of positive squares in 4 ways, for example, as 6105841 + 98049604 = 2471^2 + 9902^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 104155445 - 2⁸ = 104155189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31712 + ... + 34841.

It is an arithmetic number, because the mean of its divisors is an integer number (15673467).

Almost surely, 2^104155445 is an apocalyptic number.

It is an amenable number.

104155445 is a deficient number, since it is larger than the sum of its proper divisors (21232291).

104155445 is an equidigital number, since it uses as much as digits as its factorization.

104155445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66871.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 104155445 is about 10205.6574996420. The cubic root of 104155445 is about 470.5011178455.

The spelling of 104155445 in words is "one hundred four million, one hundred fifty-five thousand, four hundred forty-five".