345154697 has 2 divisors, whose sum is σ = 345154698. Its totient is φ = 345154696.

The previous prime is 345154639. The next prime is 345154729. The reversal of 345154697 is 796451543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274863241 + 70291456 = 16579^2 + 8384^2 .

It is an emirp because it is prime and its reverse (796451543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345154697 - 2¹⁸ = 344892553 is a prime.

It is a super-2 number, since 2×345154697² = 238263529722323618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345154637) 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, 172577348 + 172577349.

It is an arithmetic number, because the mean of its divisors is an integer number (172577349).

Almost surely, 2^345154697 is an apocalyptic number.

It is an amenable number.

345154697 is a deficient number, since it is larger than the sum of its proper divisors (1).

345154697 is an equidigital number, since it uses as much as digits as its factorization.

345154697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 44.

The square root of 345154697 is about 18578.3394575511. The cubic root of 345154697 is about 701.4627216366.

The spelling of 345154697 in words is "three hundred forty-five million, one hundred fifty-four thousand, six hundred ninety-seven".