4542131243 has 8 divisors (see below), whose sum is σ = 4910128608. Its totient is φ = 4176791424.

The previous prime is 4542131221. The next prime is 4542131257. The reversal of 4542131243 is 3421312454.

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

It is not a de Polignac number, because 4542131243 - 2¹⁸ = 4541869099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4542131743) 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, 660830 + ... + 667667.

It is an arithmetic number, because the mean of its divisors is an integer number (613766076).

Almost surely, 2^4542131243 is an apocalyptic number.

4542131243 is a deficient number, since it is larger than the sum of its proper divisors (367997365).

4542131243 is a wasteful number, since it uses less digits than its factorization.

4542131243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328773.

The product of its digits is 11520, while the sum is 29.

The square root of 4542131243 is about 67395.3354691554. The cubic root of 4542131243 is about 1656.1000092998.

Adding to 4542131243 its reverse (3421312454), we get a palindrome (7963443697).

The spelling of 4542131243 in words is "four billion, five hundred forty-two million, one hundred thirty-one thousand, two hundred forty-three".