145219 has 2 divisors, whose sum is σ = 145220. Its totient is φ = 145218.

The previous prime is 145213. The next prime is 145253. The reversal of 145219 is 912541.

145219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145219 - 2⁷ = 145091 is a prime.

It is a super-2 number, since 2×145219² = 42177115922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145219.

It is not a weakly prime, because it can be changed into another prime (145213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72609 + 72610.

It is an arithmetic number, because the mean of its divisors is an integer number (72610).

2¹⁴⁵²¹⁹ is an apocalyptic number.

145219 is a deficient number, since it is larger than the sum of its proper divisors (1).

145219 is an equidigital number, since it uses as much as digits as its factorization.

145219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 22.

The square root of 145219 is about 381.0761078840. The cubic root of 145219 is about 52.5623145179.

The spelling of 145219 in words is "one hundred forty-five thousand, two hundred nineteen".