42154226443 has 16 divisors (see below), whose sum is σ = 53694904320. Its totient is φ = 32216939136.

The previous prime is 42154226423. The next prime is 42154226449. The reversal of 42154226443 is 34462245124.

It is a cyclic number.

It is not a de Polignac number, because 42154226443 - 2⁹ = 42154225931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42154226449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9319771 + ... + 9324292.

It is an arithmetic number, because the mean of its divisors is an integer number (3355931520).

Almost surely, 2^42154226443 is an apocalyptic number.

42154226443 is a deficient number, since it is larger than the sum of its proper divisors (11540677877).

42154226443 is a wasteful number, since it uses less digits than its factorization.

42154226443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18644106.

The product of its digits is 184320, while the sum is 37.

The spelling of 42154226443 in words is "forty-two billion, one hundred fifty-four million, two hundred twenty-six thousand, four hundred forty-three".