4245143 has 4 divisors (see below), whose sum is σ = 4851600. Its totient is φ = 3638688.

The previous prime is 4245119. The next prime is 4245149. The reversal of 4245143 is 3415424.

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

It is a cyclic number.

It is not a de Polignac number, because 4245143 - 2⁶ = 4245079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245149) 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, 303218 + ... + 303231.

It is an arithmetic number, because the mean of its divisors is an integer number (1212900).

Almost surely, 2^4245143 is an apocalyptic number.

4245143 is a deficient number, since it is larger than the sum of its proper divisors (606457).

4245143 is an equidigital number, since it uses as much as digits as its factorization.

4245143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606456.

The product of its digits is 1920, while the sum is 23.

The square root of 4245143 is about 2060.3744805253. The cubic root of 4245143 is about 161.9188614664.

The spelling of 4245143 in words is "four million, two hundred forty-five thousand, one hundred forty-three".