2145324571 has 8 divisors (see below), whose sum is σ = 2446252704. Its totient is φ = 1863811200.

The previous prime is 2145324539. The next prime is 2145324583. The reversal of 2145324571 is 1754235412.

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 2145324571 - 2⁵ = 2145324539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145324521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4853455 + ... + 4853896.

It is an arithmetic number, because the mean of its divisors is an integer number (305781588).

Almost surely, 2^2145324571 is an apocalyptic number.

2145324571 is a deficient number, since it is larger than the sum of its proper divisors (300928133).

2145324571 is a wasteful number, since it uses less digits than its factorization.

2145324571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9707381.

The product of its digits is 33600, while the sum is 34.

The square root of 2145324571 is about 46317.6485910069. The cubic root of 2145324571 is about 1289.7266353829.

Adding to 2145324571 its reverse (1754235412), we get a palindrome (3899559983).

The spelling of 2145324571 in words is "two billion, one hundred forty-five million, three hundred twenty-four thousand, five hundred seventy-one".