2141509845 has 16 divisors (see below), whose sum is σ = 3429129600. Its totient is φ = 1141233984.

The previous prime is 2141509819. The next prime is 2141509861. The reversal of 2141509845 is 5489051412.

It is not a de Polignac number, because 2141509845 - 2⁶ = 2141509781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36745 + ... + 75054.

It is an arithmetic number, because the mean of its divisors is an integer number (214320600).

Almost surely, 2^2141509845 is an apocalyptic number.

It is an amenable number.

2141509845 is a deficient number, since it is larger than the sum of its proper divisors (1287619755).

2141509845 is a wasteful number, since it uses less digits than its factorization.

2141509845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113084.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 2141509845 is about 46276.4502203875. The cubic root of 2141509845 is about 1288.9617359312.

The spelling of 2141509845 in words is "two billion, one hundred forty-one million, five hundred nine thousand, eight hundred forty-five".