1542141543 has 8 divisors (see below), whose sum is σ = 2056427248. Its totient is φ = 1027975104.

The previous prime is 1542141529. The next prime is 1542141619. The reversal of 1542141543 is 3451412451.

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

It is not a de Polignac number, because 1542141543 - 2⁴ = 1542141527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1542141543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542141143) 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, 6771 + ... + 55947.

It is an arithmetic number, because the mean of its divisors is an integer number (257053406).

Almost surely, 2^1542141543 is an apocalyptic number.

1542141543 is a deficient number, since it is larger than the sum of its proper divisors (514285705).

1542141543 is a wasteful number, since it uses less digits than its factorization.

1542141543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59633.

The product of its digits is 9600, while the sum is 30.

The square root of 1542141543 is about 39270.1100456823. The cubic root of 1542141543 is about 1155.3353955595.

Adding to 1542141543 its reverse (3451412451), we get a palindrome (4993553994).

The spelling of 1542141543 in words is "one billion, five hundred forty-two million, one hundred forty-one thousand, five hundred forty-three".