142335425 has 6 divisors (see below), whose sum is σ = 176495958. Its totient is φ = 113868320.

The previous prime is 142335421. The next prime is 142335437. The reversal of 142335425 is 524533241.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6822544 + 135512881 = 2612^2 + 11641^2 .

It is not a de Polignac number, because 142335425 - 2² = 142335421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142335421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2846684 + ... + 2846733.

It is an arithmetic number, because the mean of its divisors is an integer number (29415993).

Almost surely, 2^142335425 is an apocalyptic number.

It is an amenable number.

142335425 is a deficient number, since it is larger than the sum of its proper divisors (34160533).

142335425 is an equidigital number, since it uses as much as digits as its factorization.

142335425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693427 (or 5693422 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 142335425 is about 11930.4411066817. The cubic root of 142335425 is about 522.1208072687.

Adding to 142335425 its reverse (524533241), we get a palindrome (666868666).

The spelling of 142335425 in words is "one hundred forty-two million, three hundred thirty-five thousand, four hundred twenty-five".