2045251304 has 16 divisors (see below), whose sum is σ = 3837338820. Its totient is φ = 1021960960.

The previous prime is 2045251279. The next prime is 2045251309. The reversal of 2045251304 is 4031525402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1998984100 + 46267204 = 44710^2 + 6802^2 .

It is not an unprimeable number, because it can be changed into a prime (2045251309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69887 + ... + 94734.

Almost surely, 2^2045251304 is an apocalyptic number.

It is an amenable number.

2045251304 is a deficient number, since it is larger than the sum of its proper divisors (1792087516).

2045251304 is a wasteful number, since it uses less digits than its factorization.

2045251304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166180 (or 166176 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2045251304 is about 45224.4547120250. The cubic root of 2045251304 is about 1269.3524514158.

Adding to 2045251304 its reverse (4031525402), we get a palindrome (6076776706).

The spelling of 2045251304 in words is "two billion, forty-five million, two hundred fifty-one thousand, three hundred four".