145559243 has 2 divisors, whose sum is σ = 145559244. Its totient is φ = 145559242.

The previous prime is 145559231. The next prime is 145559251. The reversal of 145559243 is 342955541.

145559243 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 an emirp because it is prime and its reverse (342955541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145559243 - 2⁶ = 145559179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145559197 and 145559206.

It is not a weakly prime, because it can be changed into another prime (145559263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72779621 + 72779622.

It is an arithmetic number, because the mean of its divisors is an integer number (72779622).

Almost surely, 2^145559243 is an apocalyptic number.

145559243 is a deficient number, since it is larger than the sum of its proper divisors (1).

145559243 is an equidigital number, since it uses as much as digits as its factorization.

145559243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 38.

The square root of 145559243 is about 12064.7935332520. The cubic root of 145559243 is about 526.0333304984.

The spelling of 145559243 in words is "one hundred forty-five million, five hundred fifty-nine thousand, two hundred forty-three".