345296129 has 8 divisors (see below), whose sum is σ = 365783040. Its totient is φ = 324828736.

The previous prime is 345296117. The next prime is 345296131. The reversal of 345296129 is 921692543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345296129 - 2¹⁶ = 345230593 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345296179) 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 in 7 ways as a sum of consecutive naturals, for example, 48032 + ... + 54750.

It is an arithmetic number, because the mean of its divisors is an integer number (45722880).

Almost surely, 2^345296129 is an apocalyptic number.

It is an amenable number.

345296129 is a deficient number, since it is larger than the sum of its proper divisors (20486911).

345296129 is a wasteful number, since it uses less digits than its factorization.

345296129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9759.

The product of its digits is 116640, while the sum is 41.

The square root of 345296129 is about 18582.1454358747. The cubic root of 345296129 is about 701.5585199639.

The spelling of 345296129 in words is "three hundred forty-five million, two hundred ninety-six thousand, one hundred twenty-nine".