142525 has 6 divisors (see below), whose sum is σ = 176762. Its totient is φ = 114000.

The previous prime is 142501. The next prime is 142529. The reversal of 142525 is 525241.

It can be written as a sum of positive squares in 3 ways, for example, as 26244 + 116281 = 162^2 + 341^2 .

It is not a de Polignac number, because 142525 - 2¹¹ = 140477 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2826 + ... + 2875.

2¹⁴²⁵²⁵ is an apocalyptic number.

It is an amenable number.

142525 is a deficient number, since it is larger than the sum of its proper divisors (34237).

142525 is an equidigital number, since it uses as much as digits as its factorization.

142525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711 (or 5706 counting only the distinct ones).

The product of its digits is 400, while the sum is 19.

The square root of 142525 is about 377.5248336203. The cubic root of 142525 is about 52.2352506769.

Adding to 142525 its reverse (525241), we get a palindrome (667766).

The spelling of 142525 in words is "one hundred forty-two thousand, five hundred twenty-five".