546448143181 has 2 divisors, whose sum is σ = 546448143182. Its totient is φ = 546448143180.

The previous prime is 546448143107. The next prime is 546448143193. The reversal of 546448143181 is 181341844645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537890228100 + 8557915081 = 733410^2 + 92509^2 .

It is a cyclic number.

It is not a de Polignac number, because 546448143181 - 2¹¹ = 546448141133 is a prime.

It is a super-2 number, since 2×546448143181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546448143281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273224071590 + 273224071591.

It is an arithmetic number, because the mean of its divisors is an integer number (273224071591).

Almost surely, 2^546448143181 is an apocalyptic number.

It is an amenable number.

546448143181 is a deficient number, since it is larger than the sum of its proper divisors (1).

546448143181 is an equidigital number, since it uses as much as digits as its factorization.

546448143181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1474560, while the sum is 49.

The spelling of 546448143181 in words is "five hundred forty-six billion, four hundred forty-eight million, one hundred forty-three thousand, one hundred eighty-one".