145132219 has 2 divisors, whose sum is σ = 145132220. Its totient is φ = 145132218.

The previous prime is 145132217. The next prime is 145132259. The reversal of 145132219 is 912231541.

145132219 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 145132219 - 2¹ = 145132217 is a prime.

It is a super-2 number, since 2×145132219² = 42126721983727922, which contains 22 as substring.

Together with 145132217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145132217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72566109 + 72566110.

It is an arithmetic number, because the mean of its divisors is an integer number (72566110).

Almost surely, 2^145132219 is an apocalyptic number.

145132219 is a deficient number, since it is larger than the sum of its proper divisors (1).

145132219 is an equidigital number, since it uses as much as digits as its factorization.

145132219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 145132219 is about 12047.0834229701. The cubic root of 145132219 is about 525.5184224469.

It can be divided in two parts, 1451 and 32219, that added together give a triangular number (33670 = T₂₅₉).

The spelling of 145132219 in words is "one hundred forty-five million, one hundred thirty-two thousand, two hundred nineteen".