5142256243 has 8 divisors (see below), whose sum is σ = 5152736160. Its totient is φ = 5131788480.

The previous prime is 5142256241. The next prime is 5142256253. The reversal of 5142256243 is 3426522415.

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 5142256243 - 2¹ = 5142256241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5142256199 and 5142256208.

It is not an unprimeable number, because it can be changed into a prime (5142256241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462858 + ... + 1466368.

It is an arithmetic number, because the mean of its divisors is an integer number (644092020).

Almost surely, 2^5142256243 is an apocalyptic number.

5142256243 is a deficient number, since it is larger than the sum of its proper divisors (10479917).

5142256243 is a wasteful number, since it uses less digits than its factorization.

5142256243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6077.

The product of its digits is 57600, while the sum is 34.

The square root of 5142256243 is about 71709.5268635904. The cubic root of 5142256243 is about 1726.0415182509.

Adding to 5142256243 its reverse (3426522415), we get a palindrome (8568778658).

The spelling of 5142256243 in words is "five billion, one hundred forty-two million, two hundred fifty-six thousand, two hundred forty-three".