142421210343 has 12 divisors (see below), whose sum is σ = 207642139848. Its totient is φ = 94060113360.

The previous prime is 142421210333. The next prime is 142421210377. The reversal of 142421210343 is 343012124241.

142421210343 is a `hidden beast` number, since 1 + 424 + 21 + 210 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 142421210343 - 2⁵ = 142421210311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142421210333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73945668 + ... + 73947593.

It is an arithmetic number, because the mean of its divisors is an integer number (17303511654).

Almost surely, 2^142421210343 is an apocalyptic number.

142421210343 is a deficient number, since it is larger than the sum of its proper divisors (65220929505).

142421210343 is a wasteful number, since it uses less digits than its factorization.

142421210343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147893374 (or 147893371 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 142421210343 its reverse (343012124241), we get a palindrome (485433334584).

The spelling of 142421210343 in words is "one hundred forty-two billion, four hundred twenty-one million, two hundred ten thousand, three hundred forty-three".