156863141 has 2 divisors, whose sum is σ = 156863142. Its totient is φ = 156863140.

The previous prime is 156863101. The next prime is 156863153. The reversal of 156863141 is 141368651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156000100 + 863041 = 12490^2 + 929^2 .

It is a cyclic number.

It is not a de Polignac number, because 156863141 - 2²⁶ = 89754277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156863101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78431570 + 78431571.

It is an arithmetic number, because the mean of its divisors is an integer number (78431571).

Almost surely, 2^156863141 is an apocalyptic number.

It is an amenable number.

156863141 is a deficient number, since it is larger than the sum of its proper divisors (1).

156863141 is an equidigital number, since it uses as much as digits as its factorization.

156863141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 156863141 is about 12524.5016268113. The cubic root of 156863141 is about 539.3122715056.

The spelling of 156863141 in words is "one hundred fifty-six million, eight hundred sixty-three thousand, one hundred forty-one".