45011709 has 6 divisors (see below), whose sum is σ = 65016926. Its totient is φ = 30007800.

The previous prime is 45011663. The next prime is 45011719. The reversal of 45011709 is 90711054.

It can be written as a sum of positive squares in only one way, i.e., 44595684 + 416025 = 6678^2 + 645^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45011709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45011719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2500642 + ... + 2500659.

Almost surely, 2^45011709 is an apocalyptic number.

It is an amenable number.

45011709 is a deficient number, since it is larger than the sum of its proper divisors (20005217).

45011709 is a wasteful number, since it uses less digits than its factorization.

45011709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001307 (or 5001304 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 45011709 is about 6709.0766130668. The cubic root of 45011709 is about 355.7201778949.

The spelling of 45011709 in words is "forty-five million, eleven thousand, seven hundred nine".