2151445303 has 6 divisors (see below), whose sum is σ = 2502701736. Its totient is φ = 1844095932.

The previous prime is 2151445267. The next prime is 2151445333. The reversal of 2151445303 is 3035441512.

It is not a de Polignac number, because 2151445303 - 2¹³ = 2151437111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151445333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21953475 + ... + 21953572.

It is an arithmetic number, because the mean of its divisors is an integer number (417116956).

Almost surely, 2^2151445303 is an apocalyptic number.

2151445303 is a deficient number, since it is larger than the sum of its proper divisors (351256433).

2151445303 is an equidigital number, since it uses as much as digits as its factorization.

2151445303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43907061 (or 43907054 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2151445303 is about 46383.6749622106. The cubic root of 2151445303 is about 1290.9520250298.

Adding to 2151445303 its reverse (3035441512), we get a palindrome (5186886815).

The spelling of 2151445303 in words is "two billion, one hundred fifty-one million, four hundred forty-five thousand, three hundred three".