2045032004 has 6 divisors (see below), whose sum is σ = 3578806014. Its totient is φ = 1022516000.

The previous prime is 2045031991. The next prime is 2045032007. The reversal of 2045032004 is 4002305402.

It can be written as a sum of positive squares in only one way, i.e., 1350709504 + 694322500 = 36752^2 + 26350^2 .

It is not an unprimeable number, because it can be changed into a prime (2045032007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255628997 + ... + 255629004.

It is an arithmetic number, because the mean of its divisors is an integer number (596467669).

Almost surely, 2^2045032004 is an apocalyptic number.

It is an amenable number.

2045032004 is a deficient number, since it is larger than the sum of its proper divisors (1533774010).

2045032004 is a wasteful number, since it uses less digits than its factorization.

2045032004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511258005 (or 511258003 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2045032004 is about 45222.0300738479. The cubic root of 2045032004 is about 1269.3070814504.

Adding to 2045032004 its reverse (4002305402), we get a palindrome (6047337406).

The spelling of 2045032004 in words is "two billion, forty-five million, thirty-two thousand, four".