503240045 has 96 divisors (see below), whose sum is σ = 815546880. Its totient is φ = 294282240.

The previous prime is 503240041. The next prime is 503240083. The reversal of 503240045 is 540042305.

It is not a de Polignac number, because 503240045 - 2² = 503240041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503240045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503240041) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3673217 + ... + 3673353.

It is an arithmetic number, because the mean of its divisors is an integer number (8495280).

Almost surely, 2^503240045 is an apocalyptic number.

503240045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

503240045 is a deficient number, since it is larger than the sum of its proper divisors (312306835).

503240045 is a wasteful number, since it uses less digits than its factorization.

503240045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 503240045 is about 22433.0123924541. The cubic root of 503240045 is about 795.4112530136.

The spelling of 503240045 in words is "five hundred three million, two hundred forty thousand, forty-five".