2151146305 has 24 divisors (see below), whose sum is σ = 3275812800. Its totient is φ = 1340972640.

The previous prime is 2151146281. The next prime is 2151146329. The reversal of 2151146305 is 5036411512.

2151146305 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2151146281) and next prime (2151146329).

It is not a de Polignac number, because 2151146305 - 2⁹ = 2151145793 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 396405 + ... + 401794.

It is an arithmetic number, because the mean of its divisors is an integer number (136492200).

Almost surely, 2^2151146305 is an apocalyptic number.

It is an amenable number.

2151146305 is a deficient number, since it is larger than the sum of its proper divisors (1124666495).

2151146305 is a wasteful number, since it uses less digits than its factorization.

2151146305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798229 (or 798222 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2151146305 is about 46380.4517550228. The cubic root of 2151146305 is about 1290.8922187288.

Adding to 2151146305 its reverse (5036411512), we get a palindrome (7187557817).

The spelling of 2151146305 in words is "two billion, one hundred fifty-one million, one hundred forty-six thousand, three hundred five".