271269945 has 16 divisors (see below), whose sum is σ = 482257920. Its totient is φ = 144677232.

The previous prime is 271269923. The next prime is 271269959. The reversal of 271269945 is 549962172.

It is not a de Polignac number, because 271269945 - 2⁸ = 271269689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 271269945.

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, 1004569 + ... + 1004838.

It is an arithmetic number, because the mean of its divisors is an integer number (30141120).

Almost surely, 2^271269945 is an apocalyptic number.

It is an amenable number.

271269945 is a deficient number, since it is larger than the sum of its proper divisors (210987975).

271269945 is a wasteful number, since it uses less digits than its factorization.

271269945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009421 (or 2009415 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 271269945 is about 16470.2745878750. The cubic root of 271269945 is about 647.3421607589.

The spelling of 271269945 in words is "two hundred seventy-one million, two hundred sixty-nine thousand, nine hundred forty-five".