156145423243 has 2 divisors, whose sum is σ = 156145423244. Its totient is φ = 156145423242.

The previous prime is 156145423241. The next prime is 156145423267. The reversal of 156145423243 is 342324541651.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 156145423243 - 2¹ = 156145423241 is a prime.

Together with 156145423241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 156145423196 and 156145423205.

It is not a weakly prime, because it can be changed into another prime (156145423241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78072711621 + 78072711622.

It is an arithmetic number, because the mean of its divisors is an integer number (78072711622).

Almost surely, 2^156145423243 is an apocalyptic number.

156145423243 is a deficient number, since it is larger than the sum of its proper divisors (1).

156145423243 is an equidigital number, since it uses as much as digits as its factorization.

156145423243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 40.

Adding to 156145423243 its reverse (342324541651), we get a palindrome (498469964894).

The spelling of 156145423243 in words is "one hundred fifty-six billion, one hundred forty-five million, four hundred twenty-three thousand, two hundred forty-three".