271162145 has 16 divisors (see below), whose sum is σ = 330946560. Its totient is φ = 213260544.

The previous prime is 271162139. The next prime is 271162147. The reversal of 271162145 is 541261172.

It is a cyclic number.

It is not a de Polignac number, because 271162145 - 2¹² = 271158049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (271162147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69866 + ... + 73644.

It is an arithmetic number, because the mean of its divisors is an integer number (20684160).

Almost surely, 2^271162145 is an apocalyptic number.

It is an amenable number.

271162145 is a deficient number, since it is larger than the sum of its proper divisors (59784415).

271162145 is a wasteful number, since it uses less digits than its factorization.

271162145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024.

The product of its digits is 3360, while the sum is 29.

The square root of 271162145 is about 16467.0017003704. The cubic root of 271162145 is about 647.2564002682.

The spelling of 271162145 in words is "two hundred seventy-one million, one hundred sixty-two thousand, one hundred forty-five".