308245 has 8 divisors (see below), whose sum is σ = 422784. Its totient is φ = 211344.

The previous prime is 308219. The next prime is 308249. The reversal of 308245 is 542803.

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

It is not a de Polignac number, because 308245 - 2⁵ = 308213 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 (308249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4369 + ... + 4438.

It is an arithmetic number, because the mean of its divisors is an integer number (52848).

2³⁰⁸²⁴⁵ is an apocalyptic number.

308245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

308245 is a deficient number, since it is larger than the sum of its proper divisors (114539).

308245 is an equidigital number, since it uses as much as digits as its factorization.

308245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 308245 is about 555.1981628212. The cubic root of 308245 is about 67.5510359339.

The spelling of 308245 in words is "three hundred eight thousand, two hundred forty-five".