300145 has 4 divisors (see below), whose sum is σ = 360180. Its totient is φ = 240112.

The previous prime is 300137. The next prime is 300149. The reversal of 300145 is 541003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541003 = 73 ⋅7411.

It can be written as a sum of positive squares in 2 ways, for example, as 238144 + 62001 = 488^2 + 249^2 .

It is a cyclic number.

It is not a de Polignac number, because 300145 - 2³ = 300137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30010 + ... + 30019.

It is an arithmetic number, because the mean of its divisors is an integer number (90045).

2³⁰⁰¹⁴⁵ is an apocalyptic number.

It is an amenable number.

300145 is a deficient number, since it is larger than the sum of its proper divisors (60035).

300145 is an equidigital number, since it uses as much as digits as its factorization.

300145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60034.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 300145 is about 547.8549077995. The cubic root of 300145 is about 66.9540785797.

Adding to 300145 its reverse (541003), we get a palindrome (841148).

The spelling of 300145 in words is "three hundred thousand, one hundred forty-five".