3145553142205 has 4 divisors (see below), whose sum is σ = 3774663770652. Its totient is φ = 2516442513760.

The previous prime is 3145553142181. The next prime is 3145553142233. The reversal of 3145553142205 is 5022413555413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1061448030756 + 2084105111449 = 1030266^2 + 1443643^2 .

It is not a de Polignac number, because 3145553142205 - 2⁷ = 3145553142077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314555314216 + ... + 314555314225.

It is an arithmetic number, because the mean of its divisors is an integer number (943665942663).

Almost surely, 2^{3145553142205} is an apocalyptic number.

It is an amenable number.

3145553142205 is a deficient number, since it is larger than the sum of its proper divisors (629110628447).

3145553142205 is an equidigital number, since it uses as much as digits as its factorization.

3145553142205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629110628446.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 3145553142205 its reverse (5022413555413), we get a palindrome (8167966697618).

The spelling of 3145553142205 in words is "three trillion, one hundred forty-five billion, five hundred fifty-three million, one hundred forty-two thousand, two hundred five".