345129269 has 8 divisors (see below), whose sum is σ = 352341792. Its totient is φ = 337942800.

The previous prime is 345129251. The next prime is 345129271. The reversal of 345129269 is 962921543.

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 345129269 - 2¹² = 345125173 is a prime.

It is a super-2 number, since 2×345129269² = 238228424640948722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345129289) 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, 21494 + ... + 33944.

It is an arithmetic number, because the mean of its divisors is an integer number (44042724).

Almost surely, 2^345129269 is an apocalyptic number.

It is an amenable number.

345129269 is a deficient number, since it is larger than the sum of its proper divisors (7212523).

345129269 is a wasteful number, since it uses less digits than its factorization.

345129269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13027.

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

The square root of 345129269 is about 18577.6550996082. The cubic root of 345129269 is about 701.4454953201.

The spelling of 345129269 in words is "three hundred forty-five million, one hundred twenty-nine thousand, two hundred sixty-nine".