45003003 has 4 divisors (see below), whose sum is σ = 60004008. Its totient is φ = 30002000.

The previous prime is 45002999. The next prime is 45003011. The reversal of 45003003 is 30030054.

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

It is a cyclic number.

It is not a de Polignac number, because 45003003 - 2² = 45002999 is a prime.

It is a super-3 number, since 3×45003003³ (a number of 24 digits) contains 333 as substring.

45003003 is a modest number, since divided by 3003 gives 45 as remainder.

It is not an unprimeable number, because it can be changed into a prime (45003043) 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, 7500498 + ... + 7500503.

It is an arithmetic number, because the mean of its divisors is an integer number (15001002).

Almost surely, 2^45003003 is an apocalyptic number.

45003003 is a deficient number, since it is larger than the sum of its proper divisors (15001005).

45003003 is a wasteful number, since it uses less digits than its factorization.

45003003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15001004.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 45003003 is about 6708.4277591698. The cubic root of 45003003 is about 355.6972423846.

Adding to 45003003 its reverse (30030054), we get a palindrome (75033057).

It can be divided in two parts, 4500 and 3003, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 45003003 in words is "forty-five million, three thousand, three".