2045253130 has 48 divisors (see below), whose sum is σ = 3839542200. Its totient is φ = 784353024.

The previous prime is 2045253109. The next prime is 2045253137. The reversal of 2045253130 is 313525402.

It can be written as a sum of positive squares in 12 ways, for example, as 50112241 + 1995140889 = 7079^2 + 44667^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2045253095 and 2045253104.

It is not an unprimeable number, because it can be changed into a prime (2045253137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1319596 + ... + 1321144.

Almost surely, 2^2045253130 is an apocalyptic number.

2045253130 is a deficient number, since it is larger than the sum of its proper divisors (1794289070).

2045253130 is a wasteful number, since it uses less digits than its factorization.

2045253130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2045253130 is about 45224.4749002130. The cubic root of 2045253130 is about 1269.3528291749.

Adding to 2045253130 its reverse (313525402), we get a palindrome (2358778532).

The spelling of 2045253130 in words is "two billion, forty-five million, two hundred fifty-three thousand, one hundred thirty".