345507052 has 12 divisors (see below), whose sum is σ = 659604456. Its totient is φ = 157048640.

The previous prime is 345507049. The next prime is 345507061. The reversal of 345507052 is 250705543.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3926173 + ... + 3926260.

It is an arithmetic number, because the mean of its divisors is an integer number (54967038).

Almost surely, 2^345507052 is an apocalyptic number.

It is an amenable number.

345507052 is a deficient number, since it is larger than the sum of its proper divisors (314097404).

345507052 is a wasteful number, since it uses less digits than its factorization.

345507052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7852448 (or 7852446 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 345507052 is about 18587.8199905207. The cubic root of 345507052 is about 701.7013391226.

The spelling of 345507052 in words is "three hundred forty-five million, five hundred seven thousand, fifty-two".