345047842 has 16 divisors (see below), whose sum is σ = 526700664. Its totient is φ = 169488000.

The previous prime is 345047839. The next prime is 345047851. The reversal of 345047842 is 248740543.

It can be written as a sum of positive squares in 4 ways, for example, as 336759201 + 8288641 = 18351^2 + 2879^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160092 + ... + 162232.

Almost surely, 2^345047842 is an apocalyptic number.

345047842 is a deficient number, since it is larger than the sum of its proper divisors (181652822).

345047842 is a wasteful number, since it uses less digits than its factorization.

345047842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525.

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 345047842 is about 18575.4634397099. The cubic root of 345047842 is about 701.3903265279.

The spelling of 345047842 in words is "three hundred forty-five million, forty-seven thousand, eight hundred forty-two".