345523402 has 48 divisors (see below), whose sum is σ = 642920328. Its totient is φ = 138378240.

The previous prime is 345523397. The next prime is 345523403. The reversal of 345523402 is 204325543.

It can be written as a sum of positive squares in 4 ways, for example, as 342287001 + 3236401 = 18501^2 + 1799^2 .

It is not an unprimeable number, because it can be changed into a prime (345523403) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 260902 + ... + 262222.

Almost surely, 2^345523402 is an apocalyptic number.

345523402 is a deficient number, since it is larger than the sum of its proper divisors (297396926).

345523402 is a wasteful number, since it uses less digits than its factorization.

345523402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511 (or 1504 counting only the distinct ones).

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

The square root of 345523402 is about 18588.2597894477. The cubic root of 345523402 is about 701.7124075276.

Adding to 345523402 its reverse (204325543), we get a palindrome (549848945).

The spelling of 345523402 in words is "three hundred forty-five million, five hundred twenty-three thousand, four hundred two".