200443155 has 24 divisors (see below), whose sum is σ = 352518096. Its totient is φ = 97183680.

The previous prime is 200443151. The next prime is 200443169. The reversal of 200443155 is 551344002.

200443155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200443155 - 2² = 200443151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200443151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53404 + ... + 57033.

It is an arithmetic number, because the mean of its divisors is an integer number (14688254).

Almost surely, 2^200443155 is an apocalyptic number.

200443155 is a deficient number, since it is larger than the sum of its proper divisors (152074941).

200443155 is a wasteful number, since it uses less digits than its factorization.

200443155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110467 (or 110456 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 200443155 is about 14157.7948494813. The cubic root of 200443155 is about 585.2351600410.

Adding to 200443155 its reverse (551344002), we get a palindrome (751787157).

The spelling of 200443155 in words is "two hundred million, four hundred forty-three thousand, one hundred fifty-five".