142130825 has 12 divisors (see below), whose sum is σ = 176393100. Its totient is φ = 113607360.

The previous prime is 142130819. The next prime is 142130837. The reversal of 142130825 is 528031241.

142130825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 21196816 + 120934009 = 4604^2 + 10997^2 .

It is not a de Polignac number, because 142130825 - 2⁴ = 142130809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142130794 and 142130803.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47267 + ... + 50183.

It is an arithmetic number, because the mean of its divisors is an integer number (14699425).

Almost surely, 2^142130825 is an apocalyptic number.

It is an amenable number.

142130825 is a deficient number, since it is larger than the sum of its proper divisors (34262275).

142130825 is a wasteful number, since it uses less digits than its factorization.

142130825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4876 (or 4871 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 142130825 is about 11921.8633191293. The cubic root of 142130825 is about 521.8705131865.

The spelling of 142130825 in words is "one hundred forty-two million, one hundred thirty thousand, eight hundred twenty-five".