342145371135321 has 48 divisors (see below), whose sum is σ = 545264438759040. Its totient is φ = 205394063696640.

The previous prime is 342145371135313. The next prime is 342145371135331. The reversal of 342145371135321 is 123531173541243.

342145371135321 is a `hidden beast` number, since 3 + 4 + 2 + 1 + 45 + 3 + 71 + 1 + 3 + 532 + 1 = 666.

It is not a de Polignac number, because 342145371135321 - 2³ = 342145371135313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342145371135331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42061500 + ... + 49532418.

It is an arithmetic number, because the mean of its divisors is an integer number (11359675807480).

Almost surely, 2^{342145371135321} is an apocalyptic number.

It is an amenable number.

342145371135321 is a deficient number, since it is larger than the sum of its proper divisors (203119067623719).

342145371135321 is a wasteful number, since it uses less digits than its factorization.

342145371135321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480526 (or 7480523 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 342145371135321 in words is "three hundred forty-two trillion, one hundred forty-five billion, three hundred seventy-one million, one hundred thirty-five thousand, three hundred twenty-one".