216274143 has 8 divisors (see below), whose sum is σ = 288749488. Its totient is φ = 143990784.

The previous prime is 216274127. The next prime is 216274151. The reversal of 216274143 is 341472612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216274143 - 2⁴ = 216274127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216274143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216274103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45346 + ... + 49887.

It is an arithmetic number, because the mean of its divisors is an integer number (36093686).

Almost surely, 2^216274143 is an apocalyptic number.

216274143 is a deficient number, since it is larger than the sum of its proper divisors (72475345).

216274143 is an equidigital number, since it uses as much as digits as its factorization.

216274143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95993.

The product of its digits is 8064, while the sum is 30.

The square root of 216274143 is about 14706.2620335692. The cubic root of 216274143 is about 600.2537287988.

The spelling of 216274143 in words is "two hundred sixteen million, two hundred seventy-four thousand, one hundred forty-three".