142421232411225 has 24 divisors (see below), whose sum is σ = 261633078801120. Its totient is φ = 75957990618960.

The previous prime is 142421232411223. The next prime is 142421232411287. The reversal of 142421232411225 is 522114232124241.

142421232411225 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 2 + 1 + 232 + 411 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 142421232411225 - 2¹ = 142421232411223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142421232411225.

It is not an unprimeable number, because it can be changed into a prime (142421232411223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105497208519 + ... + 105497209868.

It is an arithmetic number, because the mean of its divisors is an integer number (10901378283380).

Almost surely, 2^{142421232411225} is an apocalyptic number.

142421232411225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142421232411225 is a deficient number, since it is larger than the sum of its proper divisors (119211846389895).

142421232411225 is a wasteful number, since it uses less digits than its factorization.

142421232411225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210994418406 (or 210994418395 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

Adding to 142421232411225 its reverse (522114232124241), we get a palindrome (664535464535466).

The spelling of 142421232411225 in words is "one hundred forty-two trillion, four hundred twenty-one billion, two hundred thirty-two million, four hundred eleven thousand, two hundred twenty-five".