200145347 has 4 divisors (see below), whose sum is σ = 200256960. Its totient is φ = 200033736.

The previous prime is 200145343. The next prime is 200145353. The reversal of 200145347 is 743541002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200145347 - 2² = 200145343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200145343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53072 + ... + 56717.

It is an arithmetic number, because the mean of its divisors is an integer number (50064240).

Almost surely, 2^200145347 is an apocalyptic number.

200145347 is a deficient number, since it is larger than the sum of its proper divisors (111613).

200145347 is a wasteful number, since it uses less digits than its factorization.

200145347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111612.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 200145347 is about 14147.2734829012. The cubic root of 200145347 is about 584.9451790740.

Adding to 200145347 its reverse (743541002), we get a palindrome (943686349).

The spelling of 200145347 in words is "two hundred million, one hundred forty-five thousand, three hundred forty-seven".