345130105 has 12 divisors (see below), whose sum is σ = 418132260. Its totient is φ = 273478304.

The previous prime is 345130081. The next prime is 345130129. The reversal of 345130105 is 501031543.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (345130081) and next prime (345130129).

It can be written as a sum of positive squares in 2 ways, for example, as 237406464 + 107723641 = 15408^2 + 10379^2 .

It is not a de Polignac number, because 345130105 - 2²⁵ = 311575673 is a prime.

It is a super-3 number, since 3×345130105³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54231 + ... + 60259.

It is an arithmetic number, because the mean of its divisors is an integer number (34844355).

Almost surely, 2^345130105 is an apocalyptic number.

It is an amenable number.

345130105 is a deficient number, since it is larger than the sum of its proper divisors (73002155).

345130105 is an equidigital number, since it uses as much as digits as its factorization.

345130105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248 (or 6141 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 345130105 is about 18577.6775997432. The cubic root of 345130105 is about 701.4460616857.

Adding to 345130105 its reverse (501031543), we get a palindrome (846161648).

The spelling of 345130105 in words is "three hundred forty-five million, one hundred thirty thousand, one hundred five".