45019803 has 8 divisors (see below), whose sum is σ = 62096400. Its totient is φ = 28978208.

The previous prime is 45019789. The next prime is 45019811. The reversal of 45019803 is 30891054.

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

It is a cyclic number.

It is not a de Polignac number, because 45019803 - 2⁶ = 45019739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45019603) 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, 258648 + ... + 258821.

It is an arithmetic number, because the mean of its divisors is an integer number (7762050).

Almost surely, 2^45019803 is an apocalyptic number.

45019803 is a deficient number, since it is larger than the sum of its proper divisors (17076597).

45019803 is a wasteful number, since it uses less digits than its factorization.

45019803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517501.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 45019803 is about 6709.6797986193. The cubic root of 45019803 is about 355.7414984700.

The spelling of 45019803 in words is "forty-five million, nineteen thousand, eight hundred three".