3145553142181 has 2 divisors, whose sum is σ = 3145553142182. Its totient is φ = 3145553142180.

The previous prime is 3145553142143. The next prime is 3145553142233. The reversal of 3145553142181 is 1812413555413.

3145553142181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1955564512225 + 1189988629956 = 1398415^2 + 1090866^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145553142181 - 2¹¹ = 3145553140133 is a prime.

It is a super-2 number, since 2×3145553142181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145553142581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572776571090 + 1572776571091.

It is an arithmetic number, because the mean of its divisors is an integer number (1572776571091).

Almost surely, 2^{3145553142181} is an apocalyptic number.

It is an amenable number.

3145553142181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145553142181 is an equidigital number, since it uses as much as digits as its factorization.

3145553142181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288000, while the sum is 43.

Adding to 3145553142181 its reverse (1812413555413), we get a palindrome (4957966697594).

The spelling of 3145553142181 in words is "three trillion, one hundred forty-five billion, five hundred fifty-three million, one hundred forty-two thousand, one hundred eighty-one".