345276283 has 12 divisors (see below), whose sum is σ = 388350424. Its totient is φ = 306583200.

The previous prime is 345276271. The next prime is 345276289. The reversal of 345276283 is 382672543.

It is not a de Polignac number, because 345276283 - 2⁵ = 345276251 is a prime.

It is a super-3 number, since 3×345276283³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (345276289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27978 + ... + 38383.

Almost surely, 2^345276283 is an apocalyptic number.

345276283 is a deficient number, since it is larger than the sum of its proper divisors (43074141).

345276283 is a wasteful number, since it uses less digits than its factorization.

345276283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66426 (or 66415 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 345276283 is about 18581.6114209721. The cubic root of 345276283 is about 701.5450789433.

The spelling of 345276283 in words is "three hundred forty-five million, two hundred seventy-six thousand, two hundred eighty-three".