104442545 has 4 divisors (see below), whose sum is σ = 125331060. Its totient is φ = 83554032.

The previous prime is 104442497. The next prime is 104442581. The reversal of 104442545 is 545244401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79352464 + 25090081 = 8908^2 + 5009^2 .

It is a cyclic number.

It is not a de Polignac number, because 104442545 - 2¹⁰ = 104441521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10444250 + ... + 10444259.

It is an arithmetic number, because the mean of its divisors is an integer number (31332765).

Almost surely, 2^104442545 is an apocalyptic number.

It is an amenable number.

104442545 is a deficient number, since it is larger than the sum of its proper divisors (20888515).

104442545 is an equidigital number, since it uses as much as digits as its factorization.

104442545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20888514.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 104442545 is about 10219.7135478447. The cubic root of 104442545 is about 470.9330266007.

Adding to 104442545 its reverse (545244401), we get a palindrome (649686946).

The spelling of 104442545 in words is "one hundred four million, four hundred forty-two thousand, five hundred forty-five".