345658157329 has 3 divisors (see below), whose sum is σ = 345658745257. Its totient is φ = 345657569402.

The previous prime is 345658157281. The next prime is 345658157347. The reversal of 345658157329 is 923751856543.

The square root of 345658157329 is 587927.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 923751856543 = 6637 ⋅139182139.

It is not a de Polignac number, because 345658157329 - 2⁹ = 345658156817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345658157359) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 293964 + ... + 881890.

Almost surely, 2^345658157329 is an apocalyptic number.

345658157329 is the 587927-th square number.

345658157329 is the 293964-th centered octagonal number.

It is an amenable number.

345658157329 is a deficient number, since it is larger than the sum of its proper divisors (587928).

345658157329 is an frugal number, since it uses more digits than its factorization.

345658157329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175854 (or 587927 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 58.

The spelling of 345658157329 in words is "three hundred forty-five billion, six hundred fifty-eight million, one hundred fifty-seven thousand, three hundred twenty-nine".