345345101 has 4 divisors (see below), whose sum is σ = 345387900. Its totient is φ = 345302304.

The previous prime is 345345071. The next prime is 345345149. The reversal of 345345101 is 101543543.

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 47748100 + 297597001 = 6910^2 + 17251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345345101 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 (345345151) 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 in 3 ways as a sum of consecutive naturals, for example, 5216 + ... + 26793.

It is an arithmetic number, because the mean of its divisors is an integer number (86346975).

Almost surely, 2^345345101 is an apocalyptic number.

It is an amenable number.

345345101 is a deficient number, since it is larger than the sum of its proper divisors (42799).

345345101 is a wasteful number, since it uses less digits than its factorization.

345345101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42798.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 345345101 is about 18583.4631056754. The cubic root of 345345101 is about 701.5916848301.

Adding to 345345101 its reverse (101543543), we get a palindrome (446888644).

The spelling of 345345101 in words is "three hundred forty-five million, three hundred forty-five thousand, one hundred one".