156450535049 has 2 divisors, whose sum is σ = 156450535050. Its totient is φ = 156450535048.

The previous prime is 156450535039. The next prime is 156450535051. The reversal of 156450535049 is 940535054651.

156450535049 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 can be written as a sum of positive squares in only one way, i.e., 124492537225 + 31957997824 = 352835^2 + 178768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156450535049 is a prime.

It is a Sophie Germain prime.

Together with 156450535051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 156450534994 and 156450535012.

It is not a weakly prime, because it can be changed into another prime (156450535019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78225267524 + 78225267525.

It is an arithmetic number, because the mean of its divisors is an integer number (78225267525).

Almost surely, 2^156450535049 is an apocalyptic number.

It is an amenable number.

156450535049 is a deficient number, since it is larger than the sum of its proper divisors (1).

156450535049 is an equidigital number, since it uses as much as digits as its factorization.

156450535049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 156450535049 in words is "one hundred fifty-six billion, four hundred fifty million, five hundred thirty-five thousand, forty-nine".