142425646225 has 12 divisors (see below), whose sum is σ = 176648470684. Its totient is φ = 113914278720.

The previous prime is 142425646189. The next prime is 142425646277. The reversal of 142425646225 is 522646524241.

It can be written as a sum of positive squares in 6 ways, for example, as 1585313856 + 140840332369 = 39816^2 + 375287^2 .

It is not a de Polignac number, because 142425646225 - 2¹⁵ = 142425613457 is a prime.

It is a Duffinian number.

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, 544854 + ... + 762703.

Almost surely, 2^142425646225 is an apocalyptic number.

It is an amenable number.

142425646225 is a deficient number, since it is larger than the sum of its proper divisors (34222824459).

142425646225 is a wasteful number, since it uses less digits than its factorization.

142425646225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311924 (or 1311919 counting only the distinct ones).

The product of its digits is 921600, while the sum is 43.

The spelling of 142425646225 in words is "one hundred forty-two billion, four hundred twenty-five million, six hundred forty-six thousand, two hundred twenty-five".