145259 has 2 divisors, whose sum is σ = 145260. Its totient is φ = 145258.

The previous prime is 145253. The next prime is 145267. The reversal of 145259 is 952541.

It is a weak prime.

It is an emirp because it is prime and its reverse (952541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145259 is a prime.

It is a super-2 number, since 2×145259² = 42200354162, which contains 22 as substring.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145259.

It is not a weakly prime, because it can be changed into another prime (145253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72629 + 72630.

It is an arithmetic number, because the mean of its divisors is an integer number (72630).

2¹⁴⁵²⁵⁹ is an apocalyptic number.

145259 is a deficient number, since it is larger than the sum of its proper divisors (1).

145259 is an equidigital number, since it uses as much as digits as its factorization.

145259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 26.

The square root of 145259 is about 381.1285872248. The cubic root of 145259 is about 52.5671401022.

It can be divided in two parts, 145 and 259, that added together give a palindrome (404).

The spelling of 145259 in words is "one hundred forty-five thousand, two hundred fifty-nine".