503400045 has 8 divisors (see below), whose sum is σ = 805440096. Its totient is φ = 268480016.

The previous prime is 503400031. The next prime is 503400083. The reversal of 503400045 is 540004305.

It is a happy number.

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 503400045 - 2¹¹ = 503397997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503399994 and 503400030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16779987 + ... + 16780016.

It is an arithmetic number, because the mean of its divisors is an integer number (100680012).

Almost surely, 2^503400045 is an apocalyptic number.

It is an amenable number.

503400045 is a deficient number, since it is larger than the sum of its proper divisors (302040051).

503400045 is a wasteful number, since it uses less digits than its factorization.

503400045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33560011.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 503400045 is about 22436.5782819039. The cubic root of 503400045 is about 795.4955416922.

The spelling of 503400045 in words is "five hundred three million, four hundred thousand, forty-five".