352199845 has 4 divisors (see below), whose sum is σ = 422639820. Its totient is φ = 281759872.

The previous prime is 352199843. The next prime is 352199849. The reversal of 352199845 is 548991253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548991253 = 109 ⋅5036617.

It can be written as a sum of positive squares in 2 ways, for example, as 49196196 + 303003649 = 7014^2 + 17407^2 .

It is a cyclic number.

It is not a de Polignac number, because 352199845 - 2¹ = 352199843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 352199795 and 352199804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352199843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35219980 + ... + 35219989.

It is an arithmetic number, because the mean of its divisors is an integer number (105659955).

Almost surely, 2^352199845 is an apocalyptic number.

It is an amenable number.

352199845 is a deficient number, since it is larger than the sum of its proper divisors (70439975).

352199845 is an equidigital number, since it uses as much as digits as its factorization.

352199845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70439974.

The product of its digits is 388800, while the sum is 46.

The square root of 352199845 is about 18766.9881707215. The cubic root of 352199845 is about 706.2032634643.

The spelling of 352199845 in words is "three hundred fifty-two million, one hundred ninety-nine thousand, eight hundred forty-five".