345023252 has 24 divisors (see below), whose sum is σ = 691869696. Its totient is φ = 147476448.

The previous prime is 345023249. The next prime is 345023303. The reversal of 345023252 is 252320543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5363 + ... + 26810.

It is an arithmetic number, because the mean of its divisors is an integer number (28827904).

Almost surely, 2^345023252 is an apocalyptic number.

It is an amenable number.

345023252 is an abundant number, since it is smaller than the sum of its proper divisors (346846444).

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

345023252 is a wasteful number, since it uses less digits than its factorization.

345023252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32567 (or 32565 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 345023252 is about 18574.8015332601. The cubic root of 345023252 is about 701.3736644927.

Adding to 345023252 its reverse (252320543), we get a palindrome (597343795).

The spelling of 345023252 in words is "three hundred forty-five million, twenty-three thousand, two hundred fifty-two".