503143141 has 4 divisors (see below), whose sum is σ = 503265484. Its totient is φ = 503020800.

The previous prime is 503143099. The next prime is 503143159. The reversal of 503143141 is 141341305.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 389272900 + 113870241 = 19730^2 + 10671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503143141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503143741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54780 + ... + 63301.

It is an arithmetic number, because the mean of its divisors is an integer number (125816371).

Almost surely, 2^503143141 is an apocalyptic number.

It is an amenable number.

503143141 is a deficient number, since it is larger than the sum of its proper divisors (122343).

503143141 is a wasteful number, since it uses less digits than its factorization.

503143141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122342.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 503143141 is about 22430.8524358750. The cubic root of 503143141 is about 795.3601948881.

Adding to 503143141 its reverse (141341305), we get a palindrome (644484446).

The spelling of 503143141 in words is "five hundred three million, one hundred forty-three thousand, one hundred forty-one".