543771081145 has 8 divisors (see below), whose sum is σ = 690909138504. Its totient is φ = 409427637504.

The previous prime is 543771081109. The next prime is 543771081157. The reversal of 543771081145 is 541180177345.

It can be written as a sum of positive squares in 4 ways, for example, as 300213038889 + 243558042256 = 547917^2 + 493516^2 .

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 543771081145 - 2¹³ = 543771072953 is a prime.

It is a super-2 number, since 2×543771081145² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 543771081095 and 543771081104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198653334 + ... + 3198653503.

It is an arithmetic number, because the mean of its divisors is an integer number (86363642313).

Almost surely, 2^543771081145 is an apocalyptic number.

It is an amenable number.

543771081145 is a deficient number, since it is larger than the sum of its proper divisors (147138057359).

543771081145 is a wasteful number, since it uses less digits than its factorization.

543771081145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6397306859.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 543771081145 in words is "five hundred forty-three billion, seven hundred seventy-one million, eighty-one thousand, one hundred forty-five".