345842 has 12 divisors (see below), whose sum is σ = 603630. Its totient is φ = 148176.

The previous prime is 345823. The next prime is 345853. The reversal of 345842 is 248543.

It can be written as a sum of positive squares in only one way, i.e., 337561 + 8281 = 581^2 + 91^2 .

It is a d-powerful number, because it can be written as 3⁶ + 4⁵ + 8⁶ + 5² + 4⁷ + 2¹⁶ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345842.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1667 + ... + 1862.

2³⁴⁵⁸⁴² is an apocalyptic number.

345842 is a deficient number, since it is larger than the sum of its proper divisors (257788).

345842 is a wasteful number, since it uses less digits than its factorization.

345842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545 (or 3538 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 345842 is about 588.0833274290. The cubic root of 345842 is about 70.1928018095.

The spelling of 345842 in words is "three hundred forty-five thousand, eight hundred forty-two".