345415122 has 72 divisors (see below), whose sum is σ = 820110564. Its totient is φ = 104447232.

The previous prime is 345415073. The next prime is 345415159. The reversal of 345415122 is 221514543.

It can be written as a sum of positive squares in 6 ways, for example, as 73462041 + 271953081 = 8571^2 + 16491^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1246848 + ... + 1247124.

Almost surely, 2^345415122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345415122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410055282).

345415122 is an abundant number, since it is smaller than the sum of its proper divisors (474695442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345415122 is a wasteful number, since it uses less digits than its factorization.

345415122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 368 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 345415122 is about 18585.3469701268. The cubic root of 345415122 is about 701.6390990750.

Adding to 345415122 its reverse (221514543), we get a palindrome (566929665).

The spelling of 345415122 in words is "three hundred forty-five million, four hundred fifteen thousand, one hundred twenty-two".