142543525 has 6 divisors (see below), whose sum is σ = 176754002. Its totient is φ = 114034800.

The previous prime is 142543507. The next prime is 142543543. The reversal of 142543525 is 525345241.

142543525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142543507) and next prime (142543543).

It can be written as a sum of positive squares in 3 ways, for example, as 27646564 + 114896961 = 5258^2 + 10719^2 .

It is not a de Polignac number, because 142543525 - 2⁹ = 142543013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2850846 + ... + 2850895.

Almost surely, 2^142543525 is an apocalyptic number.

It is an amenable number.

142543525 is a deficient number, since it is larger than the sum of its proper divisors (34210477).

142543525 is an equidigital number, since it uses as much as digits as its factorization.

142543525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701751 (or 5701746 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 142543525 is about 11939.1593087621. The cubic root of 142543525 is about 522.3751370936.

Adding to 142543525 its reverse (525345241), we get a palindrome (667888766).

The spelling of 142543525 in words is "one hundred forty-two million, five hundred forty-three thousand, five hundred twenty-five".