145301 has 4 divisors (see below), whose sum is σ = 156492. Its totient is φ = 134112.

The previous prime is 145289. The next prime is 145303. The reversal of 145301 is 103541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103541 = 47 ⋅2203.

It can be written as a sum of positive squares in 2 ways, for example, as 75076 + 70225 = 274^2 + 265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145301 is a prime.

It is a super-2 number, since 2×145301² = 42224761202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145303) 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, 5576 + ... + 5601.

It is an arithmetic number, because the mean of its divisors is an integer number (39123).

2¹⁴⁵³⁰¹ is an apocalyptic number.

It is an amenable number.

145301 is a deficient number, since it is larger than the sum of its proper divisors (11191).

145301 is a wasteful number, since it uses less digits than its factorization.

145301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11190.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 145301 is about 381.1836827568. The cubic root of 145301 is about 52.5722060123.

Adding to 145301 its reverse (103541), we get a palindrome (248842).

The spelling of 145301 in words is "one hundred forty-five thousand, three hundred one".