345152069 has 2 divisors, whose sum is σ = 345152070. Its totient is φ = 345152068.

The previous prime is 345152051. The next prime is 345152107. The reversal of 345152069 is 960251543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304677025 + 40475044 = 17455^2 + 6362^2 .

It is a cyclic number.

It is not a de Polignac number, because 345152069 - 2²⁰ = 344103493 is a prime.

It is a super-2 number, since 2×345152069² = 238259901469961522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345152369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172576034 + 172576035.

It is an arithmetic number, because the mean of its divisors is an integer number (172576035).

Almost surely, 2^345152069 is an apocalyptic number.

It is an amenable number.

345152069 is a deficient number, since it is larger than the sum of its proper divisors (1).

345152069 is an equidigital number, since it uses as much as digits as its factorization.

345152069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 345152069 is about 18578.2687298898. The cubic root of 345152069 is about 701.4609413250.

The spelling of 345152069 in words is "three hundred forty-five million, one hundred fifty-two thousand, sixty-nine".