345511452 has 192 divisors, whose sum is σ = 1005903360. Its totient is φ = 90854400.

The previous prime is 345511427. The next prime is 345511459. The reversal of 345511452 is 254115543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345511459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2637427 + ... + 2637557.

It is an arithmetic number, because the mean of its divisors is an integer number (5239080).

Almost surely, 2^345511452 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 345511452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502951680).

345511452 is an abundant number, since it is smaller than the sum of its proper divisors (660391908).

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

345511452 is a wasteful number, since it uses less digits than its factorization.

345511452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 242 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 345511452 is about 18587.9383472186. The cubic root of 345511452 is about 701.7043178103.

Adding to 345511452 its reverse (254115543), we get a palindrome (599626995).

The spelling of 345511452 in words is "three hundred forty-five million, five hundred eleven thousand, four hundred fifty-two".