2045104057 has 4 divisors (see below), whose sum is σ = 2083690980. Its totient is φ = 2006517136.

The previous prime is 2045104049. The next prime is 2045104109. The reversal of 2045104057 is 7504015402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 730026361 + 1315077696 = 27019^2 + 36264^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045104057 - 2³ = 2045104049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045104027) 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, 19293382 + ... + 19293487.

It is an arithmetic number, because the mean of its divisors is an integer number (520922745).

Almost surely, 2^2045104057 is an apocalyptic number.

It is an amenable number.

2045104057 is a deficient number, since it is larger than the sum of its proper divisors (38586923).

2045104057 is an equidigital number, since it uses as much as digits as its factorization.

2045104057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38586922.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 2045104057 is about 45222.8267250069. The cubic root of 2045104057 is about 1269.3219885210.

Adding to 2045104057 its reverse (7504015402), we get a palindrome (9549119459).

The spelling of 2045104057 in words is "two billion, forty-five million, one hundred four thousand, fifty-seven".