104542345 has 4 divisors (see below), whose sum is σ = 125450820. Its totient is φ = 83633872.

The previous prime is 104542327. The next prime is 104542357. The reversal of 104542345 is 543245401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543245401 = 1307 ⋅415643.

It can be written as a sum of positive squares in 2 ways, for example, as 46416969 + 58125376 = 6813^2 + 7624^2 .

It is a cyclic number.

It is not a de Polignac number, because 104542345 - 2¹¹ = 104540297 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, 10454230 + ... + 10454239.

It is an arithmetic number, because the mean of its divisors is an integer number (31362705).

Almost surely, 2^104542345 is an apocalyptic number.

It is an amenable number.

104542345 is a deficient number, since it is larger than the sum of its proper divisors (20908475).

104542345 is an equidigital number, since it uses as much as digits as its factorization.

104542345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20908474.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 104542345 is about 10224.5951020077. The cubic root of 104542345 is about 471.0829787554.

Adding to 104542345 its reverse (543245401), we get a palindrome (647787746).

The spelling of 104542345 in words is "one hundred four million, five hundred forty-two thousand, three hundred forty-five".