342321521445 has 96 divisors (see below), whose sum is σ = 643581379584. Its totient is φ = 167650560000.

The previous prime is 342321521431. The next prime is 342321521447. The reversal of 342321521445 is 544125123243.

It is a happy number.

342321521445 is a `hidden beast` number, since 3 + 423 + 2 + 15 + 214 + 4 + 5 = 666.

It is not a de Polignac number, because 342321521445 - 2⁷ = 342321521317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342321521447) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32593695 + ... + 32604195.

It is an arithmetic number, because the mean of its divisors is an integer number (6703972704).

Almost surely, 2^342321521445 is an apocalyptic number.

It is an amenable number.

342321521445 is a deficient number, since it is larger than the sum of its proper divisors (301259858139).

342321521445 is a wasteful number, since it uses less digits than its factorization.

342321521445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11563 (or 11560 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 342321521445 its reverse (544125123243), we get a palindrome (886446644688).

The spelling of 342321521445 in words is "three hundred forty-two billion, three hundred twenty-one million, five hundred twenty-one thousand, four hundred forty-five".