345202005 has 16 divisors (see below), whose sum is σ = 557213760. Its totient is φ = 182477568.

The previous prime is 345202003. The next prime is 345202021. The reversal of 345202005 is 500202543.

It is not a de Polignac number, because 345202005 - 2¹ = 345202003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345202003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100135 + ... + 103524.

It is an arithmetic number, because the mean of its divisors is an integer number (34825860).

Almost surely, 2^345202005 is an apocalyptic number.

It is an amenable number.

345202005 is a deficient number, since it is larger than the sum of its proper divisors (212011755).

345202005 is a wasteful number, since it uses less digits than its factorization.

345202005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203780.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 345202005 is about 18579.6126170596. The cubic root of 345202005 is about 701.4947684093.

Adding to 345202005 its reverse (500202543), we get a palindrome (845404548).

The spelling of 345202005 in words is "three hundred forty-five million, two hundred two thousand, five".