503407143445 has 8 divisors (see below), whose sum is σ = 604520380800. Its totient is φ = 402437842320.

The previous prime is 503407143397. The next prime is 503407143467. The reversal of 503407143445 is 544341704305.

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

It is not a de Polignac number, because 503407143445 - 2⁹ = 503407142933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503407143398 and 503407143407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35976361 + ... + 35990350.

It is an arithmetic number, because the mean of its divisors is an integer number (75565047600).

Almost surely, 2^503407143445 is an apocalyptic number.

It is an amenable number.

503407143445 is a deficient number, since it is larger than the sum of its proper divisors (101113237355).

503407143445 is a wasteful number, since it uses less digits than its factorization.

503407143445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71968115.

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 503407143445 in words is "five hundred three billion, four hundred seven million, one hundred forty-three thousand, four hundred forty-five".