382281156 has 36 divisors (see below), whose sum is σ = 984559212. Its totient is φ = 125022144.

The previous prime is 382281143. The next prime is 382281167. The reversal of 382281156 is 651182283.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 92736900 + 289544256 = 9630^2 + 17016^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×382281156² = 292277764465392672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 382281156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98271 + ... + 102086.

It is an arithmetic number, because the mean of its divisors is an integer number (27348867).

Almost surely, 2^382281156 is an apocalyptic number.

382281156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

382281156 is an abundant number, since it is smaller than the sum of its proper divisors (602278056).

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

382281156 is a wasteful number, since it uses less digits than its factorization.

382281156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200420 (or 200415 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 382281156 is about 19552.0115589164. The cubic root of 382281156 is about 725.7621195468.

The spelling of 382281156 in words is "three hundred eighty-two million, two hundred eighty-one thousand, one hundred fifty-six".