45009003 has 16 divisors (see below), whose sum is σ = 66133760. Its totient is φ = 27052704.

The previous prime is 45009001. The next prime is 45009061. The reversal of 45009003 is 30090054.

It is not a de Polignac number, because 45009003 - 2¹ = 45009001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45009001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11743 + ... + 15096.

It is an arithmetic number, because the mean of its divisors is an integer number (4133360).

Almost surely, 2^45009003 is an apocalyptic number.

45009003 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

45009003 is a deficient number, since it is larger than the sum of its proper divisors (21124757).

45009003 is a wasteful number, since it uses less digits than its factorization.

45009003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26898.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 45009003 is about 6708.8749429394. The cubic root of 45009003 is about 355.7130493935.

Adding to 45009003 its reverse (30090054), we get a palindrome (75099057).

The spelling of 45009003 in words is "forty-five million, nine thousand, three".