142240333214421 has 64 divisors (see below), whose sum is σ = 230175651041280. Its totient is φ = 86283451800000.

The previous prime is 142240333214393. The next prime is 142240333214449. The reversal of 142240333214421 is 124412333042241.

142240333214421 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 403 + 33 + 214 + 4 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (142240333214393) and next prime (142240333214449).

It is a de Polignac number, because none of the positive numbers 2^k-142240333214421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142240333210421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132818946 + ... + 133885596.

It is an arithmetic number, because the mean of its divisors is an integer number (3596494547520).

Almost surely, 2^{142240333214421} is an apocalyptic number.

It is an amenable number.

142240333214421 is a deficient number, since it is larger than the sum of its proper divisors (87935317826859).

142240333214421 is a wasteful number, since it uses less digits than its factorization.

142240333214421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072095 (or 1072089 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 142240333214421 its reverse (124412333042241), we get a palindrome (266652666256662).

The spelling of 142240333214421 in words is "one hundred forty-two trillion, two hundred forty billion, three hundred thirty-three million, two hundred fourteen thousand, four hundred twenty-one".