45085747 has 4 divisors (see below), whose sum is σ = 51526576. Its totient is φ = 38644920.

The previous prime is 45085699. The next prime is 45085753. The reversal of 45085747 is 74758054.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45085747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45085787) 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, 3220404 + ... + 3220417.

It is an arithmetic number, because the mean of its divisors is an integer number (12881644).

Almost surely, 2^45085747 is an apocalyptic number.

45085747 is a deficient number, since it is larger than the sum of its proper divisors (6440829).

45085747 is an equidigital number, since it uses as much as digits as its factorization.

45085747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440828.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 45085747 is about 6714.5920948335. The cubic root of 45085747 is about 355.9151077933.

The spelling of 45085747 in words is "forty-five million, eighty-five thousand, seven hundred forty-seven".