345530446 has 8 divisors (see below), whose sum is σ = 525595824. Its totient is φ = 170331840.

The previous prime is 345530443. The next prime is 345530459. The reversal of 345530446 is 644035543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×345530446² = 238782578225917832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345530443) 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 3 ways as a sum of consecutive naturals, for example, 1216515 + ... + 1216798.

It is an arithmetic number, because the mean of its divisors is an integer number (65699478).

Almost surely, 2^345530446 is an apocalyptic number.

345530446 is a deficient number, since it is larger than the sum of its proper divisors (180065378).

345530446 is a wasteful number, since it uses less digits than its factorization.

345530446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433386.

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 345530446 is about 18588.4492629159. The cubic root of 345530446 is about 701.7171759732.

Adding to 345530446 its reverse (644035543), we get a palindrome (989565989).

The spelling of 345530446 in words is "three hundred forty-five million, five hundred thirty thousand, four hundred forty-six".