345025432 has 8 divisors (see below), whose sum is σ = 646922700. Its totient is φ = 172512712.

The previous prime is 345025409. The next prime is 345025453. The reversal of 345025432 is 234520543.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 345025432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21564082 + ... + 21564097.

Almost surely, 2^345025432 is an apocalyptic number.

It is an amenable number.

345025432 is a deficient number, since it is larger than the sum of its proper divisors (301897268).

345025432 is a wasteful number, since it uses less digits than its factorization.

345025432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43128185 (or 43128181 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 345025432 is about 18574.8602148172. The cubic root of 345025432 is about 701.3751416795.

Adding to 345025432 its reverse (234520543), we get a palindrome (579545975).

It can be divided in two parts, 3450 and 25432, that added together give a palindrome (28882).

The spelling of 345025432 in words is "three hundred forty-five million, twenty-five thousand, four hundred thirty-two".