345147644 has 12 divisors (see below), whose sum is σ = 609873264. Its totient is φ = 170898144.

The previous prime is 345147643. The next prime is 345147661. The reversal of 345147644 is 446741543.

It is a junction number, because it is equal to n+sod(n) for n = 345147598 and 345147607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345147643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418457 + ... + 419280.

It is an arithmetic number, because the mean of its divisors is an integer number (50822772).

Almost surely, 2^345147644 is an apocalyptic number.

It is an amenable number.

345147644 is a deficient number, since it is larger than the sum of its proper divisors (264725620).

345147644 is a wasteful number, since it uses less digits than its factorization.

345147644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837844 (or 837842 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 345147644 is about 18578.1496387557. The cubic root of 345147644 is about 701.4579436338.

The spelling of 345147644 in words is "three hundred forty-five million, one hundred forty-seven thousand, six hundred forty-four".