345101 has 4 divisors (see below), whose sum is σ = 346332. Its totient is φ = 343872.

The previous prime is 345089. The next prime is 345109. The reversal of 345101 is 101543.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 96100 + 249001 = 310^2 + 499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345101.

It is not an unprimeable number, because it can be changed into a prime (345109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35 + ... + 831.

It is an arithmetic number, because the mean of its divisors is an integer number (86583).

2³⁴⁵¹⁰¹ is an apocalyptic number.

It is an amenable number.

345101 is a deficient number, since it is larger than the sum of its proper divisors (1231).

345101 is an equidigital number, since it uses as much as digits as its factorization.

345101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 345101 is about 587.4529768416. The cubic root of 345101 is about 70.1426343362.

Adding to 345101 its reverse (101543), we get a palindrome (446644).

The spelling of 345101 in words is "three hundred forty-five thousand, one hundred one".