345605101 has 4 divisors (see below), whose sum is σ = 348775900. Its totient is φ = 342434304.

The previous prime is 345605089. The next prime is 345605131. The reversal of 345605101 is 101506543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 289340100 + 56265001 = 17010^2 + 7501^2 .

It is a cyclic number.

It is not a de Polignac number, because 345605101 - 2⁵ = 345605069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345605131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585236 + ... + 1585453.

It is an arithmetic number, because the mean of its divisors is an integer number (87193975).

Almost surely, 2^345605101 is an apocalyptic number.

It is an amenable number.

345605101 is a deficient number, since it is larger than the sum of its proper divisors (3170799).

345605101 is a wasteful number, since it uses less digits than its factorization.

345605101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170798.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 345605101 is about 18590.4572563453. The cubic root of 345605101 is about 701.7677097963.

The spelling of 345605101 in words is "three hundred forty-five million, six hundred five thousand, one hundred one".