2045753459 has 8 divisors (see below), whose sum is σ = 2089719648. Its totient is φ = 2002208320.

The previous prime is 2045753431. The next prime is 2045753473. The reversal of 2045753459 is 9543575402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045753459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045753659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95432 + ... + 114885.

It is an arithmetic number, because the mean of its divisors is an integer number (261214956).

Almost surely, 2^2045753459 is an apocalyptic number.

2045753459 is a deficient number, since it is larger than the sum of its proper divisors (43966189).

2045753459 is a wasteful number, since it uses less digits than its factorization.

2045753459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210525.

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 2045753459 is about 45230.0061795264. The cubic root of 2045753459 is about 1269.4563277332.

The spelling of 2045753459 in words is "two billion, forty-five million, seven hundred fifty-three thousand, four hundred fifty-nine".