345260644 has 24 divisors (see below), whose sum is σ = 608842080. Its totient is φ = 171311616.

The previous prime is 345260639. The next prime is 345260683. The reversal of 345260644 is 446062543.

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, 523587 + ... + 524245.

It is an arithmetic number, because the mean of its divisors is an integer number (25368420).

Almost surely, 2^345260644 is an apocalyptic number.

It is an amenable number.

345260644 is a deficient number, since it is larger than the sum of its proper divisors (263581436).

345260644 is a wasteful number, since it uses less digits than its factorization.

345260644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1465 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 345260644 is about 18581.1905969451. The cubic root of 345260644 is about 701.5344868179.

The spelling of 345260644 in words is "three hundred forty-five million, two hundred sixty thousand, six hundred forty-four".