345544332 has 96 divisors (see below), whose sum is σ = 959949312. Its totient is φ = 94680576.

The previous prime is 345544313. The next prime is 345544343. The reversal of 345544332 is 233445543.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 345544293 and 345544302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226123 + ... + 227645.

It is an arithmetic number, because the mean of its divisors is an integer number (9999472).

Almost surely, 2^345544332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345544332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479974656).

345544332 is an abundant number, since it is smaller than the sum of its proper divisors (614404980).

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

345544332 is a wasteful number, since it uses less digits than its factorization.

345544332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647 (or 1645 counting only the distinct ones).

The product of its digits is 86400, while the sum is 33.

The square root of 345544332 is about 18588.8227706867. The cubic root of 345544332 is about 701.7265759304.

Adding to 345544332 its reverse (233445543), we get a palindrome (578989875).

The spelling of 345544332 in words is "three hundred forty-five million, five hundred forty-four thousand, three hundred thirty-two".