200146055 has 4 divisors (see below), whose sum is σ = 240175272. Its totient is φ = 160116840.

The previous prime is 200146039. The next prime is 200146087. The reversal of 200146055 is 550641002.

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

It is not a de Polignac number, because 200146055 - 2⁴ = 200146039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200146055.

It is a congruent number.

It is an unprimeable number.

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, 20014601 + ... + 20014610.

It is an arithmetic number, because the mean of its divisors is an integer number (60043818).

Almost surely, 2^200146055 is an apocalyptic number.

200146055 is a deficient number, since it is larger than the sum of its proper divisors (40029217).

200146055 is an equidigital number, since it uses as much as digits as its factorization.

200146055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40029216.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 200146055 is about 14147.2985053684. The cubic root of 200146055 is about 584.9458688072.

Adding to 200146055 its reverse (550641002), we get a palindrome (750787057).

The spelling of 200146055 in words is "two hundred million, one hundred forty-six thousand, fifty-five".