345545113 has 2 divisors, whose sum is σ = 345545114. Its totient is φ = 345545112.

The previous prime is 345545093. The next prime is 345545129. The reversal of 345545113 is 311545543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222845184 + 122699929 = 14928^2 + 11077^2 .

It is a cyclic number.

It is not a de Polignac number, because 345545113 - 2¹³ = 345536921 is a prime.

It is not a weakly prime, because it can be changed into another prime (345545173) 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, 172772556 + 172772557.

It is an arithmetic number, because the mean of its divisors is an integer number (172772557).

Almost surely, 2^345545113 is an apocalyptic number.

It is an amenable number.

345545113 is a deficient number, since it is larger than the sum of its proper divisors (1).

345545113 is an equidigital number, since it uses as much as digits as its factorization.

345545113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 345545113 is about 18588.8437779223. The cubic root of 345545113 is about 701.7271046112.

The spelling of 345545113 in words is "three hundred forty-five million, five hundred forty-five thousand, one hundred thirteen".