3164727145 has 4 divisors (see below), whose sum is σ = 3797672580. Its totient is φ = 2531781712.

The previous prime is 3164727143. The next prime is 3164727151. The reversal of 3164727145 is 5417274613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5417274613 = 401 ⋅13509413.

It can be written as a sum of positive squares in 2 ways, for example, as 1667578896 + 1497148249 = 40836^2 + 38693^2 .

It is a cyclic number.

It is not a de Polignac number, because 3164727145 - 2¹ = 3164727143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3164727098 and 3164727107.

It is not an unprimeable number, because it can be changed into a prime (3164727143) 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, 316472710 + ... + 316472719.

It is an arithmetic number, because the mean of its divisors is an integer number (949418145).

Almost surely, 2^3164727145 is an apocalyptic number.

It is an amenable number.

3164727145 is a deficient number, since it is larger than the sum of its proper divisors (632945435).

3164727145 is an equidigital number, since it uses as much as digits as its factorization.

3164727145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632945434.

The product of its digits is 141120, while the sum is 40.

The square root of 3164727145 is about 56255.9076453309. The cubic root of 3164727145 is about 1468.1781531927.

The spelling of 3164727145 in words is "three billion, one hundred sixty-four million, seven hundred twenty-seven thousand, one hundred forty-five".