2151445304 has 16 divisors (see below), whose sum is σ = 4119789600. Its totient is φ = 1052834752.

The previous prime is 2151445267. The next prime is 2151445333. The reversal of 2151445304 is 4035441512.

It is a super-2 number, since 2×2151445304² = 9257433792207304832, which contains 22 as substring.

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, 2860589 + ... + 2861340.

It is an arithmetic number, because the mean of its divisors is an integer number (257486850).

Almost surely, 2^2151445304 is an apocalyptic number.

It is an amenable number.

2151445304 is a deficient number, since it is larger than the sum of its proper divisors (1968344296).

2151445304 is a wasteful number, since it uses less digits than its factorization.

2151445304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721982 (or 5721978 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2151445304 is about 46383.6749729902. The cubic root of 2151445304 is about 1290.9520252298.

Adding to 2151445304 its reverse (4035441512), we get a palindrome (6186886816).

The spelling of 2151445304 in words is "two billion, one hundred fifty-one million, four hundred forty-five thousand, three hundred four".