345555101 has 2 divisors, whose sum is σ = 345555102. Its totient is φ = 345555100.

The previous prime is 345555079. The next prime is 345555121. The reversal of 345555101 is 101555543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341140900 + 4414201 = 18470^2 + 2101^2 .

It is a cyclic number.

It is not a de Polignac number, because 345555101 - 2¹⁴ = 345538717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345555121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172777550 + 172777551.

It is an arithmetic number, because the mean of its divisors is an integer number (172777551).

Almost surely, 2^345555101 is an apocalyptic number.

It is an amenable number.

345555101 is a deficient number, since it is larger than the sum of its proper divisors (1).

345555101 is an equidigital number, since it uses as much as digits as its factorization.

345555101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 345555101 is about 18589.1124317435. The cubic root of 345555101 is about 701.7338656993.

The spelling of 345555101 in words is "three hundred forty-five million, five hundred fifty-five thousand, one hundred one".