203552345 has 8 divisors (see below), whose sum is σ = 247007880. Its totient is φ = 161011840.

The previous prime is 203552311. The next prime is 203552389. The reversal of 203552345 is 543255302.

203552345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2253001 + 201299344 = 1501^2 + 14188^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203552345 - 2¹⁶ = 203486809 is a prime.

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, 228266 + ... + 229155.

It is an arithmetic number, because the mean of its divisors is an integer number (30875985).

Almost surely, 2^203552345 is an apocalyptic number.

It is an amenable number.

203552345 is a deficient number, since it is larger than the sum of its proper divisors (43455535).

203552345 is an equidigital number, since it uses as much as digits as its factorization.

203552345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457515.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 203552345 is about 14267.1771910214. The cubic root of 203552345 is about 588.2456215804.

The spelling of 203552345 in words is "two hundred three million, five hundred fifty-two thousand, three hundred forty-five".