345214452 has 72 divisors (see below), whose sum is σ = 923969088. Its totient is φ = 100052480.

The previous prime is 345214451. The next prime is 345214459. The reversal of 345214452 is 254412543.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345214451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28228 + ... + 38564.

It is an arithmetic number, because the mean of its divisors is an integer number (12832904).

Almost surely, 2^345214452 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 345214452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461984544).

345214452 is an abundant number, since it is smaller than the sum of its proper divisors (578754636).

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

345214452 is a wasteful number, since it uses less digits than its factorization.

345214452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10389 (or 10376 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 345214452 is about 18579.9475779670. The cubic root of 345214452 is about 701.5031996084.

Adding to 345214452 its reverse (254412543), we get a palindrome (599626995).

The spelling of 345214452 in words is "three hundred forty-five million, two hundred fourteen thousand, four hundred fifty-two".