156443001413 has 2 divisors, whose sum is σ = 156443001414. Its totient is φ = 156443001412.

The previous prime is 156443001391. The next prime is 156443001461. The reversal of 156443001413 is 314100344651.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114976602724 + 41466398689 = 339082^2 + 203633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156443001413 is a prime.

It is a super-2 number, since 2×156443001413² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 156443001413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156443001493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78221500706 + 78221500707.

It is an arithmetic number, because the mean of its divisors is an integer number (78221500707).

Almost surely, 2^156443001413 is an apocalyptic number.

It is an amenable number.

156443001413 is a deficient number, since it is larger than the sum of its proper divisors (1).

156443001413 is an equidigital number, since it uses as much as digits as its factorization.

156443001413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 156443001413 in words is "one hundred fifty-six billion, four hundred forty-three million, one thousand, four hundred thirteen".