3145551305 has 16 divisors (see below), whose sum is σ = 4086319104. Its totient is φ = 2310697920.

The previous prime is 3145551301. The next prime is 3145551317. The reversal of 3145551305 is 5031555413.

It is not a de Polignac number, because 3145551305 - 2² = 3145551301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3145551301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114269 + ... + 139098.

It is an arithmetic number, because the mean of its divisors is an integer number (255394944).

Almost surely, 2^3145551305 is an apocalyptic number.

It is an amenable number.

3145551305 is a deficient number, since it is larger than the sum of its proper divisors (940767799).

3145551305 is a wasteful number, since it uses less digits than its factorization.

3145551305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253576.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 3145551305 is about 56085.2146737445. The cubic root of 3145551305 is about 1465.2067959698.

The spelling of 3145551305 in words is "three billion, one hundred forty-five million, five hundred fifty-one thousand, three hundred five".