145273519 has 2 divisors, whose sum is σ = 145273520. Its totient is φ = 145273518.

The previous prime is 145273439. The next prime is 145273523. The reversal of 145273519 is 915372541.

145273519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145273519 - 2¹¹ = 145271471 is a prime.

It is a super-2 number, since 2×145273519² = 42208790645286722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145273549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72636759 + 72636760.

It is an arithmetic number, because the mean of its divisors is an integer number (72636760).

Almost surely, 2^145273519 is an apocalyptic number.

145273519 is a deficient number, since it is larger than the sum of its proper divisors (1).

145273519 is an equidigital number, since it uses as much as digits as its factorization.

145273519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 145273519 is about 12052.9464862331. The cubic root of 145273519 is about 525.6889144950.

The spelling of 145273519 in words is "one hundred forty-five million, two hundred seventy-three thousand, five hundred nineteen".