345651644 has 36 divisors (see below), whose sum is σ = 661149720. Its totient is φ = 158034240.

The previous prime is 345651641. The next prime is 345651661. The reversal of 345651644 is 446156543.

It is a junction number, because it is equal to n+sod(n) for n = 345651598 and 345651607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345651641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71339 + ... + 76029.

It is an arithmetic number, because the mean of its divisors is an integer number (18365270).

Almost surely, 2^345651644 is an apocalyptic number.

It is an amenable number.

345651644 is a deficient number, since it is larger than the sum of its proper divisors (315498076).

345651644 is a wasteful number, since it uses less digits than its factorization.

345651644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830 (or 4815 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 345651644 is about 18591.7090123528. The cubic root of 345651644 is about 701.7992109792.

The spelling of 345651644 in words is "three hundred forty-five million, six hundred fifty-one thousand, six hundred forty-four".