142825725 has 144 divisors (see below), whose sum is σ = 313372800. Its totient is φ = 60802560.

The previous prime is 142825723. The next prime is 142825733. The reversal of 142825725 is 527528241.

It is a happy number.

142825725 is a `hidden beast` number, since 1 + 4 + 2 + 82 + 572 + 5 = 666.

142825725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142825725 - 2¹ = 142825723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142825725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142825723) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2420746 + ... + 2420804.

It is an arithmetic number, because the mean of its divisors is an integer number (2176200).

Almost surely, 2^142825725 is an apocalyptic number.

142825725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142825725 is an abundant number, since it is smaller than the sum of its proper divisors (170547075).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142825725 is a wasteful number, since it uses less digits than its factorization.

142825725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 156 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 142825725 is about 11950.9717178144. The cubic root of 142825725 is about 522.7196332503.

The spelling of 142825725 in words is "one hundred forty-two million, eight hundred twenty-five thousand, seven hundred twenty-five".