4245242543 has 8 divisors (see below), whose sum is σ = 4327600512. Its totient is φ = 4163443416.

The previous prime is 4245242537. The next prime is 4245242557. The reversal of 4245242543 is 3452425424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4245242543 - 2³⁰ = 3171500719 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 (4245202543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124355 + ... + 154772.

It is an arithmetic number, because the mean of its divisors is an integer number (540950064).

Almost surely, 2^4245242543 is an apocalyptic number.

4245242543 is a deficient number, since it is larger than the sum of its proper divisors (82357969).

4245242543 is a wasteful number, since it uses less digits than its factorization.

4245242543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279421.

The product of its digits is 153600, while the sum is 35.

The square root of 4245242543 is about 65155.5258055677. The cubic root of 4245242543 is about 1619.2012705102.

Adding to 4245242543 its reverse (3452425424), we get a palindrome (7697667967).

The spelling of 4245242543 in words is "four billion, two hundred forty-five million, two hundred forty-two thousand, five hundred forty-three".