142342025 has 12 divisors (see below), whose sum is σ = 201719232. Its totient is φ = 97605840.

The previous prime is 142342019. The next prime is 142342069. The reversal of 142342025 is 520243241.

It is a happy number.

It is not a de Polignac number, because 142342025 - 2⁸ = 142341769 is a prime.

It is a super-2 number, since 2×142342025² = 40522504162201250, which contains 22 as substring.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 406517 + ... + 406866.

It is an arithmetic number, because the mean of its divisors is an integer number (16809936).

Almost surely, 2^142342025 is an apocalyptic number.

It is an amenable number.

142342025 is a deficient number, since it is larger than the sum of its proper divisors (59377207).

142342025 is an equidigital number, since it uses as much as digits as its factorization.

142342025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813400 (or 813395 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 142342025 is about 11930.7177068272. The cubic root of 142342025 is about 522.1288772767.

Adding to 142342025 its reverse (520243241), we get a palindrome (662585266).

The spelling of 142342025 in words is "one hundred forty-two million, three hundred forty-two thousand, twenty-five".