22145413543 has 32 divisors (see below), whose sum is σ = 24820992000. Its totient is φ = 19589337600.

The previous prime is 22145413471. The next prime is 22145413547. The reversal of 22145413543 is 34531454122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22145413543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22145413499 and 22145413508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145413547) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 30799938 + ... + 30800656.

It is an arithmetic number, because the mean of its divisors is an integer number (775656000).

Almost surely, 2^22145413543 is an apocalyptic number.

22145413543 is a deficient number, since it is larger than the sum of its proper divisors (2675578457).

22145413543 is a wasteful number, since it uses less digits than its factorization.

22145413543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263.

The product of its digits is 57600, while the sum is 34.

Adding to 22145413543 its reverse (34531454122), we get a palindrome (56676867665).

The spelling of 22145413543 in words is "twenty-two billion, one hundred forty-five million, four hundred thirteen thousand, five hundred forty-three".