141542543 has 4 divisors (see below), whose sum is σ = 142324728. Its totient is φ = 140760360.

The previous prime is 141542539. The next prime is 141542549. The reversal of 141542543 is 345245141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 141542543 - 2² = 141542539 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 (141542549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390821 + ... + 391182.

It is an arithmetic number, because the mean of its divisors is an integer number (35581182).

Almost surely, 2^141542543 is an apocalyptic number.

141542543 is a deficient number, since it is larger than the sum of its proper divisors (782185).

141542543 is an equidigital number, since it uses as much as digits as its factorization.

141542543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782184.

The product of its digits is 9600, while the sum is 29.

The square root of 141542543 is about 11897.1653346501. The cubic root of 141542543 is about 521.1495070874.

Adding to 141542543 its reverse (345245141), we get a palindrome (486787684).

The spelling of 141542543 in words is "one hundred forty-one million, five hundred forty-two thousand, five hundred forty-three".