345125141 has 2 divisors, whose sum is σ = 345125142. Its totient is φ = 345125140.

The previous prime is 345125119. The next prime is 345125173. The reversal of 345125141 is 141521543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344250916 + 874225 = 18554^2 + 935^2 .

It is an emirp because it is prime and its reverse (141521543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345125141 is a prime.

It is a super-2 number, since 2×345125141² = 238222725900539762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 345125141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345125111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172562570 + 172562571.

It is an arithmetic number, because the mean of its divisors is an integer number (172562571).

Almost surely, 2^345125141 is an apocalyptic number.

It is an amenable number.

345125141 is a deficient number, since it is larger than the sum of its proper divisors (1).

345125141 is an equidigital number, since it uses as much as digits as its factorization.

345125141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 345125141 is about 18577.5439980639. The cubic root of 345125141 is about 701.4426987076.

Adding to 345125141 its reverse (141521543), we get a palindrome (486646684).

The spelling of 345125141 in words is "three hundred forty-five million, one hundred twenty-five thousand, one hundred forty-one".