142321232610225 has 36 divisors (see below), whose sum is σ = 254927723750700. Its totient is φ = 75900315156480.

The previous prime is 142321232610217. The next prime is 142321232610259. The reversal of 142321232610225 is 522016232123241.

142321232610225 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 2 + 1 + 2 + 32 + 610 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 39346614745344 + 102974617864881 = 6272688^2 + 10147641^2 .

It is not a de Polignac number, because 142321232610225 - 2³ = 142321232610217 is a prime.

It is a super-3 number, since 3×142321232610225³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142321232610225.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14148880 + ... + 22018929.

Almost surely, 2^{142321232610225} is an apocalyptic number.

142321232610225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142321232610225 is a deficient number, since it is larger than the sum of its proper divisors (112606491140475).

142321232610225 is a wasteful number, since it uses less digits than its factorization.

142321232610225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36185314 (or 36185306 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 142321232610225 its reverse (522016232123241), we get a palindrome (664337464733466).

The spelling of 142321232610225 in words is "one hundred forty-two trillion, three hundred twenty-one billion, two hundred thirty-two million, six hundred ten thousand, two hundred twenty-five".