345452257 has 16 divisors (see below), whose sum is σ = 374431680. Its totient is φ = 317509632.

The previous prime is 345452231. The next prime is 345452293. The reversal of 345452257 is 752254543.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345452257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345452857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162433 + ... + 164545.

It is an arithmetic number, because the mean of its divisors is an integer number (23401980).

Almost surely, 2^345452257 is an apocalyptic number.

It is an amenable number.

345452257 is a deficient number, since it is larger than the sum of its proper divisors (28979423).

345452257 is a wasteful number, since it uses less digits than its factorization.

345452257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352.

The product of its digits is 168000, while the sum is 37.

The square root of 345452257 is about 18586.3459830059. The cubic root of 345452257 is about 701.6642421879.

The spelling of 345452257 in words is "three hundred forty-five million, four hundred fifty-two thousand, two hundred fifty-seven".