215443341 has 16 divisors (see below), whose sum is σ = 327803200. Its totient is φ = 139746384.

The previous prime is 215443331. The next prime is 215443379. The reversal of 215443341 is 143344512.

It is a happy number.

215443341 is a `hidden beast` number, since 215 + 443 + 3 + 4 + 1 = 666.

It is not a de Polignac number, because 215443341 - 2⁵ = 215443309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215443321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106831 + ... + 108828.

It is an arithmetic number, because the mean of its divisors is an integer number (20487700).

Almost surely, 2^215443341 is an apocalyptic number.

It is an amenable number.

215443341 is a deficient number, since it is larger than the sum of its proper divisors (112359859).

215443341 is a wasteful number, since it uses less digits than its factorization.

215443341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215705 (or 215699 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 215443341 is about 14677.9883158422. The cubic root of 215443341 is about 599.4841315934.

Adding to 215443341 its reverse (143344512), we get a palindrome (358787853).

It can be divided in two parts, 215 and 443341, that added together give a square (443556 = 666²).

The spelling of 215443341 in words is "two hundred fifteen million, four hundred forty-three thousand, three hundred forty-one".