345521343 has 8 divisors (see below), whose sum is σ = 464772528. Its totient is φ = 228308864.

The previous prime is 345521333. The next prime is 345521353. The reversal of 345521343 is 343125543.

It is an interprime number because it is at equal distance from previous prime (345521333) and next prime (345521353).

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 345521343 - 2⁶ = 345521279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345521343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345521333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509280 + ... + 509957.

It is an arithmetic number, because the mean of its divisors is an integer number (58096566).

Almost surely, 2^345521343 is an apocalyptic number.

345521343 is a deficient number, since it is larger than the sum of its proper divisors (119251185).

345521343 is a wasteful number, since it uses less digits than its factorization.

345521343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019353.

The product of its digits is 21600, while the sum is 30.

The square root of 345521343 is about 18588.2044049446. The cubic root of 345521343 is about 701.7110136725.

Adding to 345521343 its reverse (343125543), we get a palindrome (688646886).

The spelling of 345521343 in words is "three hundred forty-five million, five hundred twenty-one thousand, three hundred forty-three".