145000243 has 2 divisors, whose sum is σ = 145000244. Its totient is φ = 145000242.

The previous prime is 145000223. The next prime is 145000249. The reversal of 145000243 is 342000541.

It is a strong prime.

It is an emirp because it is prime and its reverse (342000541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145000243 - 2⁹ = 144999731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145000243.

It is not a weakly prime, because it can be changed into another prime (145000249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72500121 + 72500122.

It is an arithmetic number, because the mean of its divisors is an integer number (72500122).

Almost surely, 2^145000243 is an apocalyptic number.

145000243 is a deficient number, since it is larger than the sum of its proper divisors (1).

145000243 is an equidigital number, since it uses as much as digits as its factorization.

145000243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 145000243 is about 12041.6046688139. The cubic root of 145000243 is about 525.3590807254.

Adding to 145000243 its reverse (342000541), we get a palindrome (487000784).

The spelling of 145000243 in words is "one hundred forty-five million, two hundred forty-three", and thus it is an aban number.