142530524 has 12 divisors (see below), whose sum is σ = 249518304. Its totient is φ = 71239584.

The previous prime is 142530523. The next prime is 142530547. The reversal of 142530524 is 425035241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142530493 and 142530502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142530523) 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, 11837 + ... + 20619.

It is an arithmetic number, because the mean of its divisors is an integer number (20793192).

Almost surely, 2^142530524 is an apocalyptic number.

It is an amenable number.

142530524 is a deficient number, since it is larger than the sum of its proper divisors (106987780).

142530524 is a wasteful number, since it uses less digits than its factorization.

142530524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12844 (or 12842 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 142530524 is about 11938.6148275250. The cubic root of 142530524 is about 522.3592551477.

Adding to 142530524 its reverse (425035241), we get a palindrome (567565765).

The spelling of 142530524 in words is "one hundred forty-two million, five hundred thirty thousand, five hundred twenty-four".