210143272 has 16 divisors (see below), whose sum is σ = 411150240. Its totient is φ = 100503216.

The previous prime is 210143267. The next prime is 210143293. The reversal of 210143272 is 272341012.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570858 + ... + 571225.

It is an arithmetic number, because the mean of its divisors is an integer number (25696890).

Almost surely, 2^210143272 is an apocalyptic number.

It is an amenable number.

210143272 is a deficient number, since it is larger than the sum of its proper divisors (201006968).

210143272 is a wasteful number, since it uses less digits than its factorization.

210143272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142112 (or 1142108 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 210143272 is about 14496.3192569700. The cubic root of 210143272 is about 594.5273387672.

Adding to 210143272 its reverse (272341012), we get a palindrome (482484284).

The spelling of 210143272 in words is "two hundred ten million, one hundred forty-three thousand, two hundred seventy-two".