142543524 has 12 divisors (see below), whose sum is σ = 332601584. Its totient is φ = 47514504.

The previous prime is 142543507. The next prime is 142543543. The reversal of 142543524 is 425345241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 142543491 and 142543500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5939302 + ... + 5939325.

Almost surely, 2^142543524 is an apocalyptic number.

It is an amenable number.

142543524 is an abundant number, since it is smaller than the sum of its proper divisors (190058060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142543524 is a wasteful number, since it uses less digits than its factorization.

142543524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11878634 (or 11878632 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 142543524 is about 11939.1592668831. The cubic root of 142543524 is about 522.3751358720.

Adding to 142543524 its reverse (425345241), we get a palindrome (567888765).

The spelling of 142543524 in words is "one hundred forty-two million, five hundred forty-three thousand, five hundred twenty-four".