45085287 has 8 divisors (see below), whose sum is σ = 64737904. Its totient is φ = 27744768.

The previous prime is 45085273. The next prime is 45085303. The reversal of 45085287 is 78258054.

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

It is not a de Polignac number, because 45085287 - 2⁸ = 45085031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1156033 = 45085287 / (4 + 5 + 0 + 8 + 5 + 2 + 8 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45085237) 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, 577978 + ... + 578055.

It is an arithmetic number, because the mean of its divisors is an integer number (8092238).

Almost surely, 2^45085287 is an apocalyptic number.

45085287 is a deficient number, since it is larger than the sum of its proper divisors (19652617).

45085287 is a wasteful number, since it uses less digits than its factorization.

45085287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156049.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 45085287 is about 6714.5578409900. The cubic root of 45085287 is about 355.9138973479.

The spelling of 45085287 in words is "forty-five million, eighty-five thousand, two hundred eighty-seven".