155426113 has 2 divisors, whose sum is σ = 155426114. Its totient is φ = 155426112.

The previous prime is 155426083. The next prime is 155426149. The reversal of 155426113 is 311624551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84327489 + 71098624 = 9183^2 + 8432^2 .

It is a cyclic number.

It is not a de Polignac number, because 155426113 - 2⁵ = 155426081 is a prime.

It is not a weakly prime, because it can be changed into another prime (155426153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77713056 + 77713057.

It is an arithmetic number, because the mean of its divisors is an integer number (77713057).

Almost surely, 2^155426113 is an apocalyptic number.

It is an amenable number.

155426113 is a deficient number, since it is larger than the sum of its proper divisors (1).

155426113 is an equidigital number, since it uses as much as digits as its factorization.

155426113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 28.

The square root of 155426113 is about 12467.0009625411. Note that the first 3 decimals coincide. The cubic root of 155426113 is about 537.6603313298.

The spelling of 155426113 in words is "one hundred fifty-five million, four hundred twenty-six thousand, one hundred thirteen".