345147842 has 32 divisors (see below), whose sum is σ = 574875840. Its totient is φ = 154405440.

The previous prime is 345147839. The next prime is 345147851. The reversal of 345147842 is 248741543.

345147842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 345147796 and 345147805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154292 + ... + 156512.

It is an arithmetic number, because the mean of its divisors is an integer number (17964870).

Almost surely, 2^345147842 is an apocalyptic number.

345147842 is a deficient number, since it is larger than the sum of its proper divisors (229727998).

345147842 is a wasteful number, since it uses less digits than its factorization.

345147842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418.

The product of its digits is 107520, while the sum is 38.

The square root of 345147842 is about 18578.1549675957. The cubic root of 345147842 is about 701.4580777684.

The spelling of 345147842 in words is "three hundred forty-five million, one hundred forty-seven thousand, eight hundred forty-two".