142585525 has 24 divisors (see below), whose sum is σ = 180149184. Its totient is φ = 111936000.

The previous prime is 142585507. The next prime is 142585561. The reversal of 142585525 is 525585241.

It is not a de Polignac number, because 142585525 - 2¹⁷ = 142454453 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 23 ways as a sum of consecutive naturals, for example, 403749 + ... + 404101.

It is an arithmetic number, because the mean of its divisors is an integer number (7506216).

Almost surely, 2^142585525 is an apocalyptic number.

It is an amenable number.

142585525 is a deficient number, since it is larger than the sum of its proper divisors (37563659).

142585525 is a wasteful number, since it uses less digits than its factorization.

142585525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 616 counting only the distinct ones).

The product of its digits is 80000, while the sum is 37.

The square root of 142585525 is about 11940.9180970309. The cubic root of 142585525 is about 522.4264374509.

The spelling of 142585525 in words is "one hundred forty-two million, five hundred eighty-five thousand, five hundred twenty-five".