345184493 has 2 divisors, whose sum is σ = 345184494. Its totient is φ = 345184492.

The previous prime is 345184481. The next prime is 345184501. The reversal of 345184493 is 394481543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329676649 + 15507844 = 18157^2 + 3938^2 .

It is a cyclic number.

It is not a de Polignac number, because 345184493 - 2⁶ = 345184429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345184493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345184193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172592246 + 172592247.

It is an arithmetic number, because the mean of its divisors is an integer number (172592247).

Almost surely, 2^345184493 is an apocalyptic number.

It is an amenable number.

345184493 is a deficient number, since it is larger than the sum of its proper divisors (1).

345184493 is an equidigital number, since it uses as much as digits as its factorization.

345184493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 345184493 is about 18579.1413418382. The cubic root of 345184493 is about 701.4829059984.

The spelling of 345184493 in words is "three hundred forty-five million, one hundred eighty-four thousand, four hundred ninety-three".