3155047145 has 16 divisors (see below), whose sum is σ = 3801219840. Its totient is φ = 2513952000.

The previous prime is 3155047081. The next prime is 3155047171. The reversal of 3155047145 is 5417405513.

It is a happy number.

3155047145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3155047145 - 2⁶ = 3155047081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173670 + ... + 2175120.

It is an arithmetic number, because the mean of its divisors is an integer number (237576240).

Almost surely, 2^3155047145 is an apocalyptic number.

It is an amenable number.

3155047145 is a deficient number, since it is larger than the sum of its proper divisors (646172695).

3155047145 is a wasteful number, since it uses less digits than its factorization.

3155047145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 3155047145 is about 56169.8063464705. The cubic root of 3155047145 is about 1466.6797112878.

The spelling of 3155047145 in words is "three billion, one hundred fifty-five million, forty-seven thousand, one hundred forty-five".