45081547 has 8 divisors (see below), whose sum is σ = 54233600. Its totient is φ = 36607464.

The previous prime is 45081527. The next prime is 45081559. The reversal of 45081547 is 74518054.

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

It is a cyclic number.

It is not a de Polignac number, because 45081547 - 2¹¹ = 45079499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45081527) 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 7 ways as a sum of consecutive naturals, for example, 169347 + ... + 169612.

It is an arithmetic number, because the mean of its divisors is an integer number (6779200).

Almost surely, 2^45081547 is an apocalyptic number.

45081547 is a deficient number, since it is larger than the sum of its proper divisors (9152053).

45081547 is a wasteful number, since it uses less digits than its factorization.

45081547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338985.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 45081547 is about 6714.2793358632. The cubic root of 45081547 is about 355.9040555948.

The spelling of 45081547 in words is "forty-five million, eighty-one thousand, five hundred forty-seven".