345140345 has 8 divisors (see below), whose sum is σ = 451820160. Its totient is φ = 251011120.

The previous prime is 345140333. The next prime is 345140351. The reversal of 345140345 is 543041543.

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

It is not a de Polignac number, because 345140345 - 2¹² = 345136249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3137585 + ... + 3137694.

It is an arithmetic number, because the mean of its divisors is an integer number (56477520).

Almost surely, 2^345140345 is an apocalyptic number.

It is an amenable number.

345140345 is a deficient number, since it is larger than the sum of its proper divisors (106679815).

345140345 is a wasteful number, since it uses less digits than its factorization.

345140345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275295.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 345140345 is about 18577.9531972712. The cubic root of 345140345 is about 701.4529989117.

Adding to 345140345 its reverse (543041543), we get a palindrome (888181888).

The spelling of 345140345 in words is "three hundred forty-five million, one hundred forty thousand, three hundred forty-five".