345168757 has 2 divisors, whose sum is σ = 345168758. Its totient is φ = 345168756.

The previous prime is 345168737. The next prime is 345168767. The reversal of 345168757 is 757861543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310957956 + 34210801 = 17634^2 + 5849^2 .

It is an emirp because it is prime and its reverse (757861543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345168757 - 2²⁷ = 210951029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345168737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172584378 + 172584379.

It is an arithmetic number, because the mean of its divisors is an integer number (172584379).

Almost surely, 2^345168757 is an apocalyptic number.

It is an amenable number.

345168757 is a deficient number, since it is larger than the sum of its proper divisors (1).

345168757 is an equidigital number, since it uses as much as digits as its factorization.

345168757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 46.

The square root of 345168757 is about 18578.7178513481. The cubic root of 345168757 is about 701.4722462855.

The spelling of 345168757 in words is "three hundred forty-five million, one hundred sixty-eight thousand, seven hundred fifty-seven".