504145100 has 18 divisors (see below), whose sum is σ = 1093995084. Its totient is φ = 201658000.

The previous prime is 504145049. The next prime is 504145121. The reversal of 504145100 is 1541405.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 5 ways as a sum of consecutive naturals, for example, 2520626 + ... + 2520825.

Almost surely, 2^504145100 is an apocalyptic number.

504145100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

504145100 is an abundant number, since it is smaller than the sum of its proper divisors (589849984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

504145100 is a wasteful number, since it uses less digits than its factorization.

504145100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041465 (or 5041458 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 504145100 is about 22453.1757219330. The cubic root of 504145100 is about 795.8878047807.

Adding to 504145100 its reverse (1541405), we get a palindrome (505686505).

The spelling of 504145100 in words is "five hundred four million, one hundred forty-five thousand, one hundred".