2145633841 has 8 divisors (see below), whose sum is σ = 2311170624. Its totient is φ = 1980166800.

The previous prime is 2145633829. The next prime is 2145633859. The reversal of 2145633841 is 1483365412.

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

It is a cyclic number.

It is not a de Polignac number, because 2145633841 - 2¹¹ = 2145631793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2145633841.

It is not an unprimeable number, because it can be changed into a prime (2145633041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 58860 + ... + 88066.

It is an arithmetic number, because the mean of its divisors is an integer number (288896328).

Almost surely, 2^2145633841 is an apocalyptic number.

It is an amenable number.

2145633841 is a deficient number, since it is larger than the sum of its proper divisors (165536783).

2145633841 is a wasteful number, since it uses less digits than its factorization.

2145633841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34871.

The product of its digits is 69120, while the sum is 37.

The square root of 2145633841 is about 46320.9870469100. The cubic root of 2145633841 is about 1289.7886080709.

The spelling of 2145633841 in words is "two billion, one hundred forty-five million, six hundred thirty-three thousand, eight hundred forty-one".