345213426 has 16 divisors (see below), whose sum is σ = 690625728. Its totient is φ = 115038000.

The previous prime is 345213409. The next prime is 345213439. The reversal of 345213426 is 624312543.

345213426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 345213393 and 345213402.

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, 23896 + ... + 35516.

It is an arithmetic number, because the mean of its divisors is an integer number (43164108).

Almost surely, 2^345213426 is an apocalyptic number.

345213426 is an abundant number, since it is smaller than the sum of its proper divisors (345412302).

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

345213426 is a wasteful number, since it uses less digits than its factorization.

345213426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16577.

The product of its digits is 17280, while the sum is 30.

The square root of 345213426 is about 18579.9199675348. The cubic root of 345213426 is about 701.5025046365.

Adding to 345213426 its reverse (624312543), we get a palindrome (969525969).

The spelling of 345213426 in words is "three hundred forty-five million, two hundred thirteen thousand, four hundred twenty-six".