352644345 has 24 divisors (see below), whose sum is σ = 647207496. Its totient is φ = 177013248.

The previous prime is 352644317. The next prime is 352644353. The reversal of 352644345 is 543446253.

352644345 is a `hidden beast` number, since 3 + 5 + 2 + 644 + 3 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 91757241 + 260887104 = 9579^2 + 16152^2 .

It is not a de Polignac number, because 352644345 - 2⁷ = 352644217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229722 + ... + 231251.

It is an arithmetic number, because the mean of its divisors is an integer number (26966979).

Almost surely, 2^352644345 is an apocalyptic number.

It is an amenable number.

352644345 is a deficient number, since it is larger than the sum of its proper divisors (294563151).

352644345 is a wasteful number, since it uses less digits than its factorization.

352644345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461001 (or 460998 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 352644345 is about 18778.8270400470. The cubic root of 352644345 is about 706.5002306456.

The spelling of 352644345 in words is "three hundred fifty-two million, six hundred forty-four thousand, three hundred forty-five".