153040243 has 2 divisors, whose sum is σ = 153040244. Its totient is φ = 153040242.

The previous prime is 153040241. The next prime is 153040247. The reversal of 153040243 is 342040351.

It is a weak prime.

It is an emirp because it is prime and its reverse (342040351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153040243 - 2¹ = 153040241 is a prime.

Together with 153040241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (153040241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76520121 + 76520122.

It is an arithmetic number, because the mean of its divisors is an integer number (76520122).

Almost surely, 2^153040243 is an apocalyptic number.

153040243 is a deficient number, since it is larger than the sum of its proper divisors (1).

153040243 is an equidigital number, since it uses as much as digits as its factorization.

153040243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 153040243 is about 12370.9434967588. The cubic root of 153040243 is about 534.8950130264.

Adding to 153040243 its reverse (342040351), we get a palindrome (495080594).

The spelling of 153040243 in words is "one hundred fifty-three million, forty thousand, two hundred forty-three".