22143551545 has 8 divisors (see below), whose sum is σ = 27190221696. Its totient is φ = 17302868016.

The previous prime is 22143551447. The next prime is 22143551557. The reversal of 22143551545 is 54515534122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22143551545 - 2⁹ = 22143551033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51496417 + ... + 51496846.

It is an arithmetic number, because the mean of its divisors is an integer number (3398777712).

Almost surely, 2^22143551545 is an apocalyptic number.

It is an amenable number.

22143551545 is a deficient number, since it is larger than the sum of its proper divisors (5046670151).

22143551545 is a wasteful number, since it uses less digits than its factorization.

22143551545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102993311.

The product of its digits is 120000, while the sum is 37.

The spelling of 22143551545 in words is "twenty-two billion, one hundred forty-three million, five hundred fifty-one thousand, five hundred forty-five".