142506725 has 12 divisors (see below), whose sum is σ = 182802660. Its totient is φ = 110073600.

The previous prime is 142506719. The next prime is 142506737. The reversal of 142506725 is 527605241.

It can be written as a sum of positive squares in 6 ways, for example, as 1324801 + 141181924 = 1151^2 + 11882^2 .

It is not a de Polignac number, because 142506725 - 2²⁴ = 125729509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142506691 and 142506700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97556 + ... + 99005.

It is an arithmetic number, because the mean of its divisors is an integer number (15233555).

Almost surely, 2^142506725 is an apocalyptic number.

It is an amenable number.

142506725 is a deficient number, since it is larger than the sum of its proper divisors (40295935).

142506725 is a wasteful number, since it uses less digits than its factorization.

142506725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196600 (or 196595 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 142506725 is about 11937.6180622434. The cubic root of 142506725 is about 522.3301799257.

The spelling of 142506725 in words is "one hundred forty-two million, five hundred six thousand, seven hundred twenty-five".