345445030 has 16 divisors (see below), whose sum is σ = 710629920. Its totient is φ = 118438272.

The previous prime is 345445019. The next prime is 345445039. The reversal of 345445030 is 30544543.

It is a self number, because there is not a number n which added to its sum of digits gives 345445030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345445039) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2467395 + ... + 2467534.

It is an arithmetic number, because the mean of its divisors is an integer number (44414370).

Almost surely, 2^345445030 is an apocalyptic number.

345445030 is an abundant number, since it is smaller than the sum of its proper divisors (365184890).

345445030 is a wasteful number, since it uses less digits than its factorization.

345445030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934943.

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

The square root of 345445030 is about 18586.1515650766. The cubic root of 345445030 is about 701.6593491212.

Adding to 345445030 its reverse (30544543), we get a palindrome (375989573).

It can be divided in two parts, 3454 and 45030, that added together give a palindrome (48484).

The spelling of 345445030 in words is "three hundred forty-five million, four hundred forty-five thousand, thirty".