345729233 has 2 divisors, whose sum is σ = 345729234. Its totient is φ = 345729232.

The previous prime is 345729217. The next prime is 345729269. The reversal of 345729233 is 332927543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345699649 + 29584 = 18593^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 345729233 - 2⁴ = 345729217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (345726233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172864616 + 172864617.

It is an arithmetic number, because the mean of its divisors is an integer number (172864617).

Almost surely, 2^345729233 is an apocalyptic number.

It is an amenable number.

345729233 is a deficient number, since it is larger than the sum of its proper divisors (1).

345729233 is an equidigital number, since it uses as much as digits as its factorization.

345729233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 38.

The square root of 345729233 is about 18593.7955512047. The cubic root of 345729233 is about 701.8517183963.

The spelling of 345729233 in words is "three hundred forty-five million, seven hundred twenty-nine thousand, two hundred thirty-three".