264143272 has 8 divisors (see below), whose sum is σ = 495268650. Its totient is φ = 132071632.

The previous prime is 264143251. The next prime is 264143311. The reversal of 264143272 is 272341462.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 256448196 + 7695076 = 16014^2 + 2774^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16508947 + ... + 16508962.

Almost surely, 2^264143272 is an apocalyptic number.

It is an amenable number.

264143272 is a deficient number, since it is larger than the sum of its proper divisors (231125378).

264143272 is a wasteful number, since it uses less digits than its factorization.

264143272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33017915 (or 33017911 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 264143272 is about 16252.4851022851. The cubic root of 264143272 is about 641.6228929566.

The spelling of 264143272 in words is "two hundred sixty-four million, one hundred forty-three thousand, two hundred seventy-two".