45247709 has 8 divisors (see below), whose sum is σ = 48986112. Its totient is φ = 41546160.

The previous prime is 45247691. The next prime is 45247711. The reversal of 45247709 is 90774254.

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-45247709 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 (45247729) 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, 6629 + ... + 11594.

It is an arithmetic number, because the mean of its divisors is an integer number (6123264).

Almost surely, 2^45247709 is an apocalyptic number.

It is an amenable number.

45247709 is a deficient number, since it is larger than the sum of its proper divisors (3738403).

45247709 is a wasteful number, since it uses less digits than its factorization.

45247709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18427.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 45247709 is about 6726.6417326925. The cubic root of 45247709 is about 356.3407843321.

The spelling of 45247709 in words is "forty-five million, two hundred forty-seven thousand, seven hundred nine".