345521030 has 8 divisors (see below), whose sum is σ = 621937872. Its totient is φ = 138208408.

The previous prime is 345520991. The next prime is 345521053. The reversal of 345521030 is 30125543.

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

It is a junction number, because it is equal to n+sod(n) for n = 345520987 and 345521005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17276042 + ... + 17276061.

It is an arithmetic number, because the mean of its divisors is an integer number (77742234).

Almost surely, 2^345521030 is an apocalyptic number.

345521030 is a deficient number, since it is larger than the sum of its proper divisors (276416842).

345521030 is a wasteful number, since it uses less digits than its factorization.

345521030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34552110.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 345521030 is about 18588.1959856249. The cubic root of 345521030 is about 701.7108017843.

Adding to 345521030 its reverse (30125543), we get a palindrome (375646573).

The spelling of 345521030 in words is "three hundred forty-five million, five hundred twenty-one thousand, thirty".