2143045615 has 4 divisors (see below), whose sum is σ = 2571654744. Its totient is φ = 1714436488.

The previous prime is 2143045609. The next prime is 2143045649. The reversal of 2143045615 is 5165403412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2143045615 - 2¹³ = 2143037423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214304557 + ... + 214304566.

It is an arithmetic number, because the mean of its divisors is an integer number (642913686).

Almost surely, 2^2143045615 is an apocalyptic number.

2143045615 is a deficient number, since it is larger than the sum of its proper divisors (428609129).

2143045615 is an equidigital number, since it uses as much as digits as its factorization.

2143045615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428609128.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2143045615 is about 46293.0406756782. The cubic root of 2143045615 is about 1289.2697858414.

The spelling of 2143045615 in words is "two billion, one hundred forty-three million, forty-five thousand, six hundred fifteen".