45003247 has 6 divisors (see below), whose sum is σ = 45481488. Its totient is φ = 44529984.

The previous prime is 45003239. The next prime is 45003263. The reversal of 45003247 is 74230054.

It is not a de Polignac number, because 45003247 - 2³ = 45003239 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 (45063247) 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, 7018 + ... + 11800.

It is an arithmetic number, because the mean of its divisors is an integer number (7580248).

Almost surely, 2^45003247 is an apocalyptic number.

45003247 is a deficient number, since it is larger than the sum of its proper divisors (478241).

45003247 is an frugal number, since it uses more digits than its factorization.

45003247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977 (or 4880 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 45003247 is about 6708.4459452246. The cubic root of 45003247 is about 355.6978852303.

The spelling of 45003247 in words is "forty-five million, three thousand, two hundred forty-seven".