3145555541 has 4 divisors (see below), whose sum is σ = 3145869612. Its totient is φ = 3145241472.

The previous prime is 3145555537. The next prime is 3145555549. The reversal of 3145555541 is 1455555413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1455555413 = 13 ⋅111965801.

It can be written as a sum of positive squares in 2 ways, for example, as 957654916 + 2187900625 = 30946^2 + 46775^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145555541 - 2² = 3145555537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3145555495 and 3145555504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145555549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141500 + ... + 162213.

It is an arithmetic number, because the mean of its divisors is an integer number (786467403).

Almost surely, 2^3145555541 is an apocalyptic number.

It is an amenable number.

3145555541 is a deficient number, since it is larger than the sum of its proper divisors (314071).

3145555541 is a wasteful number, since it uses less digits than its factorization.

3145555541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314070.

The product of its digits is 150000, while the sum is 38.

The square root of 3145555541 is about 56085.2524376952. The cubic root of 3145555541 is about 1465.2074536831.

The spelling of 3145555541 in words is "three billion, one hundred forty-five million, five hundred fifty-five thousand, five hundred forty-one".