2145131314 has 16 divisors (see below), whose sum is σ = 3321985536. Its totient is φ = 1038106800.

The previous prime is 2145131297. The next prime is 2145131377. The reversal of 2145131314 is 4131315412.

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 7 ways as a sum of consecutive naturals, for example, 61752 + ... + 90019.

It is an arithmetic number, because the mean of its divisors is an integer number (207624096).

Almost surely, 2^2145131314 is an apocalyptic number.

2145131314 is a deficient number, since it is larger than the sum of its proper divisors (1176854222).

2145131314 is a wasteful number, since it uses less digits than its factorization.

2145131314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152001.

The product of its digits is 1440, while the sum is 25.

The square root of 2145131314 is about 46315.5623306033. The cubic root of 2145131314 is about 1289.6879067933.

Adding to 2145131314 its reverse (4131315412), we get a palindrome (6276446726).

The spelling of 2145131314 in words is "two billion, one hundred forty-five million, one hundred thirty-one thousand, three hundred fourteen".