2151445382 has 8 divisors (see below), whose sum is σ = 3241261200. Its totient is φ = 1071024984.

The previous prime is 2151445333. The next prime is 2151445393. The reversal of 2151445382 is 2835441512.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2348282 + ... + 2349197.

It is an arithmetic number, because the mean of its divisors is an integer number (405157650).

Almost surely, 2^2151445382 is an apocalyptic number.

2151445382 is a deficient number, since it is larger than the sum of its proper divisors (1089815818).

2151445382 is a wasteful number, since it uses less digits than its factorization.

2151445382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697710.

The product of its digits is 38400, while the sum is 35.

The square root of 2151445382 is about 46383.6758138033. The cubic root of 2151445382 is about 1290.9520408308.

Adding to 2151445382 its reverse (2835441512), we get a palindrome (4986886894).

The spelling of 2151445382 in words is "two billion, one hundred fifty-one million, four hundred forty-five thousand, three hundred eighty-two".