345420232 has 32 divisors (see below), whose sum is σ = 664934400. Its totient is φ = 168165504.

The previous prime is 345420223. The next prime is 345420269. The reversal of 345420232 is 232024543.

It is a junction number, because it is equal to n+sod(n) for n = 345420197 and 345420206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42393 + ... + 49879.

It is an arithmetic number, because the mean of its divisors is an integer number (20779200).

Almost surely, 2^345420232 is an apocalyptic number.

It is an amenable number.

345420232 is a deficient number, since it is larger than the sum of its proper divisors (319514168).

345420232 is a wasteful number, since it uses less digits than its factorization.

345420232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645 (or 7641 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 345420232 is about 18585.4844435113. The cubic root of 345420232 is about 701.6425590259.

Adding to 345420232 its reverse (232024543), we get a palindrome (577444775).

The spelling of 345420232 in words is "three hundred forty-five million, four hundred twenty thousand, two hundred thirty-two".