45009803 has 4 divisors (see below), whose sum is σ = 47378760. Its totient is φ = 42640848.

The previous prime is 45009793. The next prime is 45009817. The reversal of 45009803 is 30890054.

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 45009803 - 2¹⁰ = 45008779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45009823) 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, 1184450 + ... + 1184487.

It is an arithmetic number, because the mean of its divisors is an integer number (11844690).

Almost surely, 2^45009803 is an apocalyptic number.

45009803 is a deficient number, since it is larger than the sum of its proper divisors (2368957).

45009803 is a wasteful number, since it uses less digits than its factorization.

45009803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368956.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 45009803 is about 6708.9345651899. The cubic root of 45009803 is about 355.7151568886.

Adding to 45009803 its reverse (30890054), we get a palindrome (75899857).

The spelling of 45009803 in words is "forty-five million, nine thousand, eight hundred three".