345184481 has 2 divisors, whose sum is σ = 345184482. Its totient is φ = 345184480.

The previous prime is 345184429. The next prime is 345184493. The reversal of 345184481 is 184481543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280864081 + 64320400 = 16759^2 + 8020^2 .

It is an emirp because it is prime and its reverse (184481543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345184481 - 2¹⁰ = 345183457 is a prime.

It is a super-2 number, since 2×345184481² = 238304651846478722, which contains 22 as substring.

It is equal to p_18558713 and since 345184481 and 18558713 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (345184681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172592240 + 172592241.

It is an arithmetic number, because the mean of its divisors is an integer number (172592241).

Almost surely, 2^345184481 is an apocalyptic number.

It is an amenable number.

345184481 is a deficient number, since it is larger than the sum of its proper divisors (1).

345184481 is an equidigital number, since it uses as much as digits as its factorization.

345184481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61440, while the sum is 38.

The square root of 345184481 is about 18579.1410188954. The cubic root of 345184481 is about 701.4828978696.

The spelling of 345184481 in words is "three hundred forty-five million, one hundred eighty-four thousand, four hundred eighty-one".