345286249 has 16 divisors (see below), whose sum is σ = 432101376. Its totient is φ = 268045200.

The previous prime is 345286241. The next prime is 345286261. The reversal of 345286249 is 942682543.

It is a cyclic number.

It is not a de Polignac number, because 345286249 - 2³ = 345286241 is a prime.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (345286241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12594 + ... + 29140.

It is an arithmetic number, because the mean of its divisors is an integer number (27006336).

Almost surely, 2^345286249 is an apocalyptic number.

It is an amenable number.

345286249 is a deficient number, since it is larger than the sum of its proper divisors (86815127).

345286249 is a wasteful number, since it uses less digits than its factorization.

345286249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16836.

The product of its digits is 414720, while the sum is 43.

The square root of 345286249 is about 18581.8795873830. The cubic root of 345286249 is about 701.5518286404.

The spelling of 345286249 in words is "three hundred forty-five million, two hundred eighty-six thousand, two hundred forty-nine".