505148 has 12 divisors (see below), whose sum is σ = 1010352. Its totient is φ = 216480.

The previous prime is 505139. The next prime is 505157. The reversal of 505148 is 841505.

It is an interprime number because it is at equal distance from previous prime (505139) and next prime (505157).

505148 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

505148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8993 + ... + 9048.

It is an arithmetic number, because the mean of its divisors is an integer number (84196).

2⁵⁰⁵¹⁴⁸ is an apocalyptic number.

It is an amenable number.

505148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

505148 is a wasteful number, since it uses less digits than its factorization.

505148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18052 (or 18050 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 505148 is about 710.7376449858. The cubic root of 505148 is about 79.6415210599.

The spelling of 505148 in words is "five hundred five thousand, one hundred forty-eight".