156304142641 has 2 divisors, whose sum is σ = 156304142642. Its totient is φ = 156304142640.

The previous prime is 156304142611. The next prime is 156304142653. The reversal of 156304142641 is 146241403651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155075289616 + 1228853025 = 393796^2 + 35055^2 .

It is a cyclic number.

It is not a de Polignac number, because 156304142641 - 2¹¹ = 156304140593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 156304142641.

It is not a weakly prime, because it can be changed into another prime (156304142611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78152071320 + 78152071321.

It is an arithmetic number, because the mean of its divisors is an integer number (78152071321).

Almost surely, 2^156304142641 is an apocalyptic number.

It is an amenable number.

156304142641 is a deficient number, since it is larger than the sum of its proper divisors (1).

156304142641 is an equidigital number, since it uses as much as digits as its factorization.

156304142641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 156304142641 in words is "one hundred fifty-six billion, three hundred four million, one hundred forty-two thousand, six hundred forty-one".