4142245 has 4 divisors (see below), whose sum is σ = 4970700. Its totient is φ = 3313792.

The previous prime is 4142227. The next prime is 4142267. The reversal of 4142245 is 5422414.

It is a happy number.

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 459684 + 3682561 = 678^2 + 1919^2 .

It is a cyclic number.

It is not a de Polignac number, because 4142245 - 2¹⁵ = 4109477 is a prime.

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, 414220 + ... + 414229.

It is an arithmetic number, because the mean of its divisors is an integer number (1242675).

Almost surely, 2^4142245 is an apocalyptic number.

It is an amenable number.

4142245 is a deficient number, since it is larger than the sum of its proper divisors (828455).

4142245 is an equidigital number, since it uses as much as digits as its factorization.

4142245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828454.

The product of its digits is 1280, while the sum is 22.

The square root of 4142245 is about 2035.2505988207. The cubic root of 4142245 is about 160.5998964034.

Adding to 4142245 its reverse (5422414), we get a palindrome (9564659).

The spelling of 4142245 in words is "four million, one hundred forty-two thousand, two hundred forty-five".