145545319 has 2 divisors, whose sum is σ = 145545320. Its totient is φ = 145545318.

The previous prime is 145545289. The next prime is 145545391. The reversal of 145545319 is 913545541.

145545319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (145545391) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145545319 - 2¹¹ = 145543271 is a prime.

It is a super-2 number, since 2×145545319² = 42366879765623522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145543319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72772659 + 72772660.

It is an arithmetic number, because the mean of its divisors is an integer number (72772660).

Almost surely, 2^145545319 is an apocalyptic number.

145545319 is a deficient number, since it is larger than the sum of its proper divisors (1).

145545319 is an equidigital number, since it uses as much as digits as its factorization.

145545319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 37.

The square root of 145545319 is about 12064.2164685486. The cubic root of 145545319 is about 526.0165567516.

The spelling of 145545319 in words is "one hundred forty-five million, five hundred forty-five thousand, three hundred nineteen".