1542424543 has 8 divisors (see below), whose sum is σ = 1683133056. Its totient is φ = 1401797400.

The previous prime is 1542424529. The next prime is 1542424549. The reversal of 1542424543 is 3454242451.

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 1542424543 - 2²⁹ = 1005553631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1542424499 and 1542424508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542424549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23398 + ... + 60268.

It is an arithmetic number, because the mean of its divisors is an integer number (210391632).

Almost surely, 2^1542424543 is an apocalyptic number.

1542424543 is a deficient number, since it is larger than the sum of its proper divisors (140708513).

1542424543 is a wasteful number, since it uses less digits than its factorization.

1542424543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40685.

The product of its digits is 76800, while the sum is 34.

The square root of 1542424543 is about 39273.7131297768. The cubic root of 1542424543 is about 1155.4060635040.

Adding to 1542424543 its reverse (3454242451), we get a palindrome (4996666994).

The spelling of 1542424543 in words is "one billion, five hundred forty-two million, four hundred twenty-four thousand, five hundred forty-three".