104142245 has 4 divisors (see below), whose sum is σ = 124970700. Its totient is φ = 83313792.

The previous prime is 104142239. The next prime is 104142251. The reversal of 104142245 is 542241401.

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

It is an interprime number because it is at equal distance from previous prime (104142239) and next prime (104142251).

It can be written as a sum of positive squares in 2 ways, for example, as 24611521 + 79530724 = 4961^2 + 8918^2 .

It is a cyclic number.

It is not a de Polignac number, because 104142245 - 2¹⁰ = 104141221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104142245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10414220 + ... + 10414229.

It is an arithmetic number, because the mean of its divisors is an integer number (31242675).

Almost surely, 2^104142245 is an apocalyptic number.

It is an amenable number.

104142245 is a deficient number, since it is larger than the sum of its proper divisors (20828455).

104142245 is an equidigital number, since it uses as much as digits as its factorization.

104142245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20828454.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 104142245 is about 10205.0107790242. The cubic root of 104142245 is about 470.4812408974.

Adding to 104142245 its reverse (542241401), we get a palindrome (646383646).

The spelling of 104142245 in words is "one hundred four million, one hundred forty-two thousand, two hundred forty-five".