345256532 has 24 divisors (see below), whose sum is σ = 608899200. Its totient is φ = 171291456.

The previous prime is 345256507. The next prime is 345256559. The reversal of 345256532 is 235652543.

It is a junction number, because it is equal to n+sod(n) for n = 345256492 and 345256501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390563 + ... + 391445.

It is an arithmetic number, because the mean of its divisors is an integer number (25370800).

Almost surely, 2^345256532 is an apocalyptic number.

It is an amenable number.

345256532 is a deficient number, since it is larger than the sum of its proper divisors (263642668).

345256532 is a wasteful number, since it uses less digits than its factorization.

345256532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1533 counting only the distinct ones).

The product of its digits is 108000, while the sum is 35.

The square root of 345256532 is about 18581.0799470860. The cubic root of 345256532 is about 701.5317017516.

The spelling of 345256532 in words is "three hundred forty-five million, two hundred fifty-six thousand, five hundred thirty-two".