142355340225 has 108 divisors (see below), whose sum is σ = 296827586640. Its totient is φ = 65027390400.

The previous prime is 142355340221. The next prime is 142355340233. The reversal of 142355340225 is 522043553241.

142355340225 is a `hidden beast` number, since 1 + 42 + 3 + 55 + 340 + 225 = 666.

It is not a de Polignac number, because 142355340225 - 2² = 142355340221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142355340225.

It is not an unprimeable number, because it can be changed into a prime (142355340221) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 17316166 + ... + 17324384.

It is an arithmetic number, because the mean of its divisors is an integer number (2748403580).

Almost surely, 2^142355340225 is an apocalyptic number.

142355340225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142355340225 is an abundant number, since it is smaller than the sum of its proper divisors (154472246415).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142355340225 is a wasteful number, since it uses less digits than its factorization.

142355340225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9820 (or 9805 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 142355340225 its reverse (522043553241), we get a palindrome (664398893466).

The spelling of 142355340225 in words is "one hundred forty-two billion, three hundred fifty-five million, three hundred forty thousand, two hundred twenty-five".