45039903 has 8 divisors (see below), whose sum is σ = 60107568. Its totient is φ = 29999424.

The previous prime is 45039889. The next prime is 45039941. The reversal of 45039903 is 30993054.

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

It is not a de Polignac number, because 45039903 - 2⁴ = 45039887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45039703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550 + ... + 9827.

It is an arithmetic number, because the mean of its divisors is an integer number (7513446).

Almost surely, 2^45039903 is an apocalyptic number.

45039903 is a deficient number, since it is larger than the sum of its proper divisors (15067665).

45039903 is a wasteful number, since it uses less digits than its factorization.

45039903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13593.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 45039903 is about 6711.1774674792. The cubic root of 45039903 is about 355.7944332509.

The spelling of 45039903 in words is "forty-five million, thirty-nine thousand, nine hundred three".