162240405243445 has 16 divisors (see below), whose sum is σ = 196116287365440. Its totient is φ = 128843336899584.

The previous prime is 162240405243349. The next prime is 162240405243509. The reversal of 162240405243445 is 544342504042261.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 162240405243445 - 2⁹ = 162240405242933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162240405243395 and 162240405243404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179554455 + ... + 180455764.

It is an arithmetic number, because the mean of its divisors is an integer number (12257267960340).

Almost surely, 2^{162240405243445} is an apocalyptic number.

It is an amenable number.

162240405243445 is a deficient number, since it is larger than the sum of its proper divisors (33875882121995).

162240405243445 is a wasteful number, since it uses less digits than its factorization.

162240405243445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360010884.

The product of its (nonzero) digits is 3686400, while the sum is 46.

The spelling of 162240405243445 in words is "one hundred sixty-two trillion, two hundred forty billion, four hundred five million, two hundred forty-three thousand, four hundred forty-five".