2045143225 has 12 divisors (see below), whose sum is σ = 2538282604. Its totient is φ = 1634627520.

The previous prime is 2045143211. The next prime is 2045143237. The reversal of 2045143225 is 5223415402.

It can be written as a sum of positive squares in 6 ways, for example, as 368486416 + 1676656809 = 19196^2 + 40947^2 .

It is not a de Polignac number, because 2045143225 - 2²⁵ = 2011588793 is a prime.

It is a super-3 number, since 3×2045143225³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045143193 and 2045143202.

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, 8694 + ... + 64543.

Almost surely, 2^2045143225 is an apocalyptic number.

2045143225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2045143225 is a deficient number, since it is larger than the sum of its proper divisors (493139379).

2045143225 is a wasteful number, since it uses less digits than its factorization.

2045143225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74364 (or 74359 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2045143225 is about 45223.2597785697. The cubic root of 2045143225 is about 1269.3300918554.

Adding to 2045143225 its reverse (5223415402), we get a palindrome (7268558627).

The spelling of 2045143225 in words is "two billion, forty-five million, one hundred forty-three thousand, two hundred twenty-five".