2144857325 has 12 divisors (see below), whose sum is σ = 2864209908. Its totient is φ = 1583894400.

The previous prime is 2144857301. The next prime is 2144857373. The reversal of 2144857325 is 5237584412.

It can be written as a sum of positive squares in 6 ways, for example, as 29041321 + 2115816004 = 5389^2 + 45998^2 .

It is not a de Polignac number, because 2144857325 - 2⁶ = 2144857261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3299456 + ... + 3300105.

It is an arithmetic number, because the mean of its divisors is an integer number (238684159).

Almost surely, 2^2144857325 is an apocalyptic number.

2144857325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2144857325 is a deficient number, since it is larger than the sum of its proper divisors (719352583).

2144857325 is a wasteful number, since it uses less digits than its factorization.

2144857325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6599584 (or 6599579 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 2144857325 is about 46312.6043858473. The cubic root of 2144857325 is about 1289.6329955713.

The spelling of 2144857325 in words is "two billion, one hundred forty-four million, eight hundred fifty-seven thousand, three hundred twenty-five".