211282148 has 48 divisors (see below), whose sum is σ = 467343744. Its totient is φ = 81181440.

The previous prime is 211282121. The next prime is 211282207. The reversal of 211282148 is 841282112.

It is a self number, because there is not a number n which added to its sum of digits gives 211282148.

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, 17786 + ... + 27182.

It is an arithmetic number, because the mean of its divisors is an integer number (9736328).

Almost surely, 2^211282148 is an apocalyptic number.

211282148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211282148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233671872).

211282148 is an abundant number, since it is smaller than the sum of its proper divisors (256061596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211282148 is a wasteful number, since it uses less digits than its factorization.

211282148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9492 (or 9490 counting only the distinct ones).

The product of its digits is 2048, while the sum is 29.

The square root of 211282148 is about 14535.5477364976. The cubic root of 211282148 is about 595.5994222833.

The spelling of 211282148 in words is "two hundred eleven million, two hundred eighty-two thousand, one hundred forty-eight".