142000025 has 6 divisors (see below), whose sum is σ = 176080062. Its totient is φ = 113600000.

The previous prime is 142000003. The next prime is 142000039. The reversal of 142000025 is 520000241.

It can be written as a sum of positive squares in 3 ways, for example, as 4946176 + 137053849 = 2224^2 + 11707^2 .

It is not a de Polignac number, because 142000025 - 2¹² = 141995929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 141999973 and 142000009.

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 5 ways as a sum of consecutive naturals, for example, 2839976 + ... + 2840025.

It is an arithmetic number, because the mean of its divisors is an integer number (29346677).

Almost surely, 2^142000025 is an apocalyptic number.

It is an amenable number.

142000025 is a deficient number, since it is larger than the sum of its proper divisors (34080037).

142000025 is an equidigital number, since it uses as much as digits as its factorization.

142000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680011 (or 5680006 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 142000025 is about 11916.3763367896. The cubic root of 142000025 is about 521.7103752444.

Adding to 142000025 its reverse (520000241), we get a palindrome (662000266).

The spelling of 142000025 in words is "one hundred forty-two million, twenty-five", and thus it is an aban number.