504144143 has 4 divisors (see below), whose sum is σ = 504416040. Its totient is φ = 503872248.

The previous prime is 504144139. The next prime is 504144161. The reversal of 504144143 is 341441405.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 504144143 - 2² = 504144139 is a prime.

It is a super-2 number, since 2×504144143² = 508322633842408898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504144343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 133148 + ... + 136881.

It is an arithmetic number, because the mean of its divisors is an integer number (126104010).

Almost surely, 2^504144143 is an apocalyptic number.

504144143 is a deficient number, since it is larger than the sum of its proper divisors (271897).

504144143 is a wasteful number, since it uses less digits than its factorization.

504144143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271896.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 504144143 is about 22453.1544109063. The cubic root of 504144143 is about 795.8873011789.

Adding to 504144143 its reverse (341441405), we get a palindrome (845585548).

The spelling of 504144143 in words is "five hundred four million, one hundred forty-four thousand, one hundred forty-three".