104135245 has 4 divisors (see below), whose sum is σ = 124962300. Its totient is φ = 83308192.

The previous prime is 104135243. The next prime is 104135249. The reversal of 104135245 is 542531401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542531401 = 73 ⋅7431937.

It can be written as a sum of positive squares in 2 ways, for example, as 67010596 + 37124649 = 8186^2 + 6093^2 .

It is a cyclic number.

It is not a de Polignac number, because 104135245 - 2¹ = 104135243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104135243) 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, 10413520 + ... + 10413529.

It is an arithmetic number, because the mean of its divisors is an integer number (31240575).

Almost surely, 2^104135245 is an apocalyptic number.

It is an amenable number.

104135245 is a deficient number, since it is larger than the sum of its proper divisors (20827055).

104135245 is an equidigital number, since it uses as much as digits as its factorization.

104135245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20827054.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 104135245 is about 10204.6678044903. The cubic root of 104135245 is about 470.4706994100.

Adding to 104135245 its reverse (542531401), we get a palindrome (646666646).

It can be divided in two parts, 10413524 and 5, that added together give a square (10413529 = 3227²).

The spelling of 104135245 in words is "one hundred four million, one hundred thirty-five thousand, two hundred forty-five".