345110320 has 40 divisors (see below), whose sum is σ = 804323520. Its totient is φ = 137710080.

The previous prime is 345110309. The next prime is 345110323. The reversal of 345110320 is 23011543.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×345110320² = 238202265941004800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345110323) 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, 29476 + ... + 39484.

It is an arithmetic number, because the mean of its divisors is an integer number (20108088).

Almost surely, 2^345110320 is an apocalyptic number.

It is an amenable number.

345110320 is an abundant number, since it is smaller than the sum of its proper divisors (459213200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345110320 is a wasteful number, since it uses less digits than its factorization.

345110320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10453 (or 10447 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 345110320 is about 18577.1450982114. The cubic root of 345110320 is about 701.4326576820.

Adding to 345110320 its reverse (23011543), we get a palindrome (368121863).

The spelling of 345110320 in words is "three hundred forty-five million, one hundred ten thousand, three hundred twenty".