508145 has 8 divisors (see below), whose sum is σ = 665280. Its totient is φ = 369520.

The previous prime is 508129. The next prime is 508159. The reversal of 508145 is 541805.

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

It is not a de Polignac number, because 508145 - 2⁴ = 508129 is a prime.

It is a super-2 number, since 2×508145² = 516422682050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 508145.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 508145.

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, 4565 + ... + 4674.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2⁵⁰⁸¹⁴⁵ is an apocalyptic number.

508145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

508145 is a deficient number, since it is larger than the sum of its proper divisors (157135).

508145 is a wasteful number, since it uses less digits than its factorization.

508145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9255.

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

The square root of 508145 is about 712.8428999436. The cubic root of 508145 is about 79.7987127176.

The spelling of 508145 in words is "five hundred eight thousand, one hundred forty-five".