345243252 has 24 divisors (see below), whose sum is σ = 805983136. Its totient is φ = 115021728.

The previous prime is 345243211. The next prime is 345243253. The reversal of 345243252 is 252342543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345243253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21243 + ... + 33789.

Almost surely, 2^345243252 is an apocalyptic number.

It is an amenable number.

345243252 is an abundant number, since it is smaller than the sum of its proper divisors (460739884).

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

345243252 is a wasteful number, since it uses less digits than its factorization.

345243252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14847 (or 14845 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 345243252 is about 18580.7225909005. The cubic root of 345243252 is about 701.5227070288.

Adding to 345243252 its reverse (252342543), we get a palindrome (597585795).

The spelling of 345243252 in words is "three hundred forty-five million, two hundred forty-three thousand, two hundred fifty-two".