155826113 has 2 divisors, whose sum is σ = 155826114. Its totient is φ = 155826112.

The previous prime is 155826091. The next prime is 155826149. The reversal of 155826113 is 311628551.

155826113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106151809 + 49674304 = 10303^2 + 7048^2 .

It is a cyclic number.

It is not a de Polignac number, because 155826113 - 2²⁶ = 88717249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155826113.

It is not a weakly prime, because it can be changed into another prime (155826613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77913056 + 77913057.

It is an arithmetic number, because the mean of its divisors is an integer number (77913057).

Almost surely, 2^155826113 is an apocalyptic number.

It is an amenable number.

155826113 is a deficient number, since it is larger than the sum of its proper divisors (1).

155826113 is an equidigital number, since it uses as much as digits as its factorization.

155826113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 32.

The square root of 155826113 is about 12483.0330048430. The cubic root of 155826113 is about 538.1211717414.

The spelling of 155826113 in words is "one hundred fifty-five million, eight hundred twenty-six thousand, one hundred thirteen".