104521045 has 8 divisors (see below), whose sum is σ = 126535896. Its totient is φ = 82876416.

The previous prime is 104521031. The next prime is 104521061. The reversal of 104521045 is 540125401.

It can be written as a sum of positive squares in 4 ways, for example, as 133956 + 104387089 = 366^2 + 10217^2 .

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 104521045 - 2¹⁹ = 103996757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91932 + ... + 93061.

It is an arithmetic number, because the mean of its divisors is an integer number (15816987).

Almost surely, 2^104521045 is an apocalyptic number.

It is an amenable number.

104521045 is a deficient number, since it is larger than the sum of its proper divisors (22014851).

104521045 is a wasteful number, since it uses less digits than its factorization.

104521045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185111.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 104521045 is about 10223.5534429082. The cubic root of 104521045 is about 471.0509829519.

Adding to 104521045 its reverse (540125401), we get a palindrome (644646446).

The spelling of 104521045 in words is "one hundred four million, five hundred twenty-one thousand, forty-five".