345242 has 8 divisors (see below), whose sum is σ = 527796. Its totient is φ = 169312.

The previous prime is 345229. The next prime is 345259. The reversal of 345242 is 242543.

It can be written as a sum of positive squares in 2 ways, for example, as 312481 + 32761 = 559^2 + 181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×345242³ = 123450293333737464, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523 + ... + 1734.

2³⁴⁵²⁴² is an apocalyptic number.

345242 is a deficient number, since it is larger than the sum of its proper divisors (182554).

345242 is a wasteful number, since it uses less digits than its factorization.

345242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312.

The product of its digits is 960, while the sum is 20.

The square root of 345242 is about 587.5729741913. The cubic root of 345242 is about 70.1521859020.

Adding to 345242 its reverse (242543), we get a palindrome (587785).

The spelling of 345242 in words is "three hundred forty-five thousand, two hundred forty-two".