104445321 has 4 divisors (see below), whose sum is σ = 139260432. Its totient is φ = 69630212.

The previous prime is 104445311. The next prime is 104445329. The reversal of 104445321 is 123544401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123544401 = 3 ⋅41181467.

It is a cyclic number.

It is not a de Polignac number, because 104445321 - 2¹⁰ = 104444297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104445291 and 104445300.

It is not an unprimeable number, because it can be changed into a prime (104445329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17407551 + ... + 17407556.

It is an arithmetic number, because the mean of its divisors is an integer number (34815108).

Almost surely, 2^104445321 is an apocalyptic number.

It is an amenable number.

104445321 is a deficient number, since it is larger than the sum of its proper divisors (34815111).

104445321 is an equidigital number, since it uses as much as digits as its factorization.

104445321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34815110.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 104445321 is about 10219.8493628820. The cubic root of 104445321 is about 470.9371989058.

Adding to 104445321 its reverse (123544401), we get a palindrome (227989722).

The spelling of 104445321 in words is "one hundred four million, four hundred forty-five thousand, three hundred twenty-one".